Review - Is Java Programming & Software Engineering Fundamentals Certification on Coursera worth it?

Hello guys, if you want to learn Java and look for the best Java courses online, you have come to the right place.  Earlier, I have shared the best Java Programming courses, and today, I am going to review Java Programming and Software Engineer Fundamentals course from Coursera. This is one of the top Java courses from Coursera, and more than 180K students have already joined this course. This course is offered by Duke University, and it also offers a certification after completing all modules of the course and doing the project on the final module. While the social proof is enough to join this course, we'll review this course on different parameters like Instructor quality, course structure, content, etc., to help you make an informed decision.

Is Google Data Analytics Professional Certificate Worth it in 2025? Coursera Review

Hello guys, if you want to become a Data Analyst in 2025 and looking for best online courses, guides, and tutorials to learn Data Analysis then you have come to the right place. In the past, I have shared best Data Analysis courses, Books, and 2025 Data Analyst RoadMap, and in this article, I will share one of the most popular Coursera course to learn Data Analytic, Google Data Analytics Professional Certificate. With more than 950,000 enrollments on Coursera this is one of the most popular Data Analytics course on Coursera and why not? Its created from Google itself. It's also well structured, up-to-date and you will learn all essential Data Analytics skills from Google experts. 

Review - Is 2025 Web Developer Bootcamp by Colt Steele on Udemy worth it?

Hello guys, if you want to learn Web Development and looking for a beginner friendly course or you have heard about Colt Steele's Web Development 2025 Bootcamp course on Udemy and wondering whether its worth to join this course in 2025 or not then you have come to the right place. In the past, I have shared best web development online courses and in this article, I will share my 2 cents on Colt Steel's popular Web Developer bootcamp course on Udemy. Learning web development nowadays is such a huge work to do because you are going to learn not only to design the front-end or the web interface but you are also going to learn the back-end as well as design and build the database system for that website or online service and that’s what’s known as Full-stack web developer. 

Udemy's The Complete 2025 Web Development Bootcamp by Angela Yu Course Review

Hello guys, if you are interested in web development and looking to join The Complete 2025 Web Development Bootcamp course by Angela Yu on Udemy but not sure whether this course is right for you then you have come to the right place. In this article, we will review this awesome web development course which can help you to make a decision on whether you should invest your time and money in this course or not. Web development nowadays is more important than what you actually think. and what’s more than that is web development is touching every aspect of the company's online business.

Udemy's The 2025 Complete Python Bootcamp From Zero to Hero in Python Review

With various programming languages nowadays, it becomes tough to choose what language you should learn if you are planning to have a software engineer career, but that actually depends on what you should be good at; being a front-end web developer, you must learn HTML and CSS. For android app development, you should learn Java or Kotlin.  Most of the language has a specific industry that you can use it in, but what if I told you that there is a language called Python that can work in many industries.

Review - Is Coursera's Python for Everybody Specialization worth it in 2025? [Best Python Certification]

Hello guys, if you want to learn Python and looking for the best Python course on Coursera, or you are just wondering if the Python for Everybody course from the University of Michigan on Coursera is worth your time and money then you have come to the right place. There is no doubt that Python for Everybody is the best Python certification and course on Coursera and the trust of more than 1 million students are enough to prove this point, but we will deep dive into this article and find more. Earlier, I have shared the best Coursera certifications for Python.

Top 8 Courses to Learn Software Architecture for Experienced Programmers in 2025 - Best of Lot

Every Programmer or Software developers wants to grow in their career, but it's not easy, and if you don't pay attention to your job, you will likely to remain in the same position for many years. The growth in the initial few years is generally fast, especially if you are switching companies, and I do recommend that to increase your pay. Though, once you reach the barrier of 5 years, you need to decide which direction you want to move like - people management, product management, or software architecture. For tech guys, who don't want to go on people and product management, software architecture or solution architecture is the final position, which is not surprising. 

Top 7 Courses to learn PostgreSQL Database in 2025 - Best of Lot

PostgreSQL is one of the most popular databases after the big three - Oracle, SQL Server, and MySQL. PostgreSQL is commonly known as Postgres and is often referred to as the world's most advanced open source database. If you are looking to learn PostgreSQL in 2025 and looking for some useful resources like books, tutorials, and courses then you have come to the right place. In this article, I am going to share some of the best PostgreSQL online courses for beginners. These courses will cover topics ranging from installations to writing basic queries and retrieving data from tables. you will also explore the logic of SQL Joins, and a few best practices which are essential while working in a real-world, production PostgreSQL database.

Top 8 Courses to Learn Hibernate and JPA in 2025 - Best of Lot

Hibernate is one of the essential frameworks for Java and Java EE or JEE programmers, especially if you are working on the server-side of a Java Web development project. It's an ORM tool or a framework that allows you to deal with only objects while Hibernate takes care of your data on your behalf. For example, instead of writing classes with SQL to load, save, and update data using the DAO design pattern, you can simply use the Hibernate framework in your project. It will allow you to deal with just objects while it will load, save, and update data in the background. It's also one of the top Java frameworks in my list of top 10 Java frameworks Programmers can learn.

Top 10 Courses to Learn Spring Framework in Depth in 2025 - Best of Lot

Spring Framework is an essential skill for Java developers, not only to get a job as a Java developer but also for your career advancement. Since Spring is now used in almost every Java project, it becomes virtually mandatory to learn the Spring framework. Now, the question comes, what is the best way to learn the Spring framework? Are there any online courses out there that are focused on Spring? What are some good books and resources for learning Spring? These questions are widespread among Java developers, and I often see them on forums, online chat channels, and even many of my readers also ask this to me on Facebook chats and email. Well, the best way to learn any technology is by coaching, online courses, and books.

Top 10 Courses to Learn Spring Boot in 2025 for Java Developers - Best of Lot

Hello guys, if you are interested in learning Spring Boot and looking for some excellent resources, e.g. books, tutorials, and online courses to start with, then you have come to the right place. Earlier I have shared some great books to learn Spring Framework, including Spring Boot (see), and today, I'll share some of the best online Spring Boot courses you can join to learn Spring Boot by yourself. In the past, I was a big fan of learning from a book, but online courses have changed that completely. Now I prefer to start with an online course, like Spring Boot 3, Spring 6 & Hibernate for Beginners, and then move on to a book like Spring Boot in Action for more comprehensive learning. Anyway, before going through those Spring Boot courses, let's first revise what Spring Boot is, and its benefits, and why you should learn it.

Top 10 Udemy Courses to Learn JavaScript in 2025 - Best of Lot

There is no doubt that JavaScript is the most popular programming language at this moment, and it's also confirmed by StackOverFlow's Survey. You can build static websites, web applications, native mobile applications (yes, you can do that too), desktop applications, and even server-side applications in JavaScript. It also makes you a hundred times more employer as there are tons of web development jobs out there. Because of that, more and more developers are learning JavaScript to become web developers.

Top 7 Spring Microservices Courses with Spring Boot and Spring Cloud in 2025 - Best of Lot

Microservices is the new buzzword in software development word and everybody is talking about it, but it's been in practice for quite some time especially in the form of RESTful web services. The idea of Microservices is simple, breaking a big monolithic application that contains everything from UI to service layer to database into small chunks of applications that are loosely coupled and can work on their own. For example, in a company like Uber, you could have several applications providing different services e.g. discovering when a driver is online or a passenger is searching for a cab, finding a route, traffic, and handling payments. These small applications are known as Microservices.

Top 5 Spring Boot Features for Java Development

You might have heard about Spring Boot and its magical powers about creating a Spring Web application in just under 140 characters which can be written in a tweet, but what does that really mean? What are those features which provide Spring Boot such power and make Spring application development so easy? Well, that's what you will learn in this article, but if you are in hurry let me tell you that you will learn about Spring Boot's auto-configuration, Starter dependencies, Spring Boot CLI, Actuator, and Spring Initializer feature in detail. These are the feature that takes away most of the pain and friction associated with writing a Spring-based Java web application.

Top 3 Design Patterns and Best Practices Java Developers Can Learn From Spring Framework

There is no doubt that the Spring Framework is one of the most popular Java frameworks and makes it really easy to create real-world, enterprise-grade Java applications easy by providing features like dependency injection and inversion of control. But, to be honest, Spring is much more than just another DI and IOC framework. It goes one more level to simplify many Java APIs like JDBC, JMS, Java Mail, etc by providing a useful layer of abstraction. It's much more comfortable to work with JDBC with Spring's JdbcTempalte and other utility classes. They remove most of the friction Java developer faces with respect to executing SQL statements and processing ResultSet to get the Java object they want.

10 Coding Best Practices Every Java Developer Should Know

Hello guys, as your experience grow,  your design, coding, refactoring and testing ability is the one which distinguish you from your competition. It's quite possible that your experience grows but none of these skills grow because you are doing using them frequently in your day job. To be honest, you are not alone. Many people who works in big Investment banks like Citibank, Barclays Capital, UBS, or JP Morgan, spend more times fixing bugs and making config change, deployment and support then actually writing code from scratch or writing unit tests. While we will go with all those skills in coming articles, in this article, I am going to share popular Java coding idioms which can improve your coding skills. 

Top 10 Data Structures and Algorithms Every Programmer Should Learn

Data Structure and Algorithms are two pillars of Programming. You may know that "Data Structure + Algorithms = Computer Program". They are also the most important ingredient of a good program and right choice of Data Structure and Algorithms can improve performance drastically, whereas a wrong choice can spoil the party, but do you know what exactly they are? Well, Data Structure are nothing but a way to store data, while Algorithms are ways to operate on that Data. There is a reason why Data Structure and Algorithms are taught in every single Computer Science classes, it doesn't matter whether you are learning Java, C++, Python, JavaScript, Golang, or any other programing language, those data structure and algorithm will be same everywhere.  An hash table will always be a a way to associate one object with other and retrieve it in constant time whether you call it HashMap in Java or Dictionary in Python. 

Coursera's Google IT Support Professional Certificate Review - Is it worth it in 2025?

Hello there, if you are looking for a cost-effective and recognized IT training program to start your career in IT support then you have come to the right place. In this article, we'll review Google IT Support Professional Certificate from Coursera which can be used to launch your career in IT support in 2025. This is one of the most popular Coursera certification from Google and also one of the best structured and many beginners have joined this program, more than 1 million (precisely 1, 330, 000) which is a testament of the value this certification provides and with new AI related chapters and enhancement, this Google certification has become even more valuable to kick start your IT support career in 2025. 

Top 8 Courses to learn Microsoft Azure Cloud in 2025 - Best of Lot

Hello guys, if you want to learn about the Microsoft Azure Cloud Platform, you have come to the right place. In the past, I have shared the best courses to pass Azure Fundamentals, Azure Administrator, and Azure Architect certifications. Today, I will share the best online course to learn the Azure platform for Beginners. These are top-quality courses from expert trainers and instructors and are picked from Udemy, Coursera, and edX. You can use these courses to learn Microsoft Azure core services and prepare for different Microsoft Azure certifications like AZ-900, AZ-303, and AZ-20 Azure developer associate certification.

Top 10 Coursera Courses and Certifications to Learn Web Development in 2025 - Best of Lot

Hello guys, If someone asked me 10 years ago about how to learn web development and get a job I would more likely say that you have to go to college and get your Bachelor’s degree and then try to get a job or internship. In short, it was only possible to become a web developer by spending years on education and thousands of dollars, now the internet has changed the game nowadays. These days many online platforms like Coursera, Udemy, Pluralsight, CodeCademy, and Educative appeared to the world allowing people to take online training courses in almost any industry and web development is one of them. 

Top 10 Java Programming Courses for Beginners to Learn Online in 2025 - Best of Lot

If you are a computer science graduate or someone who wants to learn Java and looking for some awesome resources like books, tutorials, and online courses then you have come to the right place. In the past, I have shared some great books, websites, and tutorials to learn Java and in this article, I am going to share some of the best Java courses beginners can join to learn Java in 2025. One of the main problems with learning Java is keeping pace with the increasing number of releases. For example, Java 8 release completely changed how Java is written and after that, we have many Java releases in the form of Java 9, Java 10, Java 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, and now Java 23. But the good thing is that the core of Java is still the same and all its releases are backward compatible.

Top 8 Courses to learn Reactive Spring Boot and WebFlux in 2025 - Best of Lot

Hello Java programmers, if you want to learn Reactive Programming with Spring Boot and WebFlux and are looking for some online courses to start with, you have come to the right place. Earlier, I have shared the best Spring Courses and best Spring Boot courses, and today, I will share the best online course to learn Reactive Programming with Spring Boot and Web Flux. In recent times, Reactive programming has become very popular. It is a programming paradigm that focuses on an asynchronous, event-driven, non-blocking approach for processing data which paves for writing a next-generation scalable web application in Java.  This means a thorough knowledge of reactive programming is a must for creating scalable web applications, and that's why Java developers need to learn reactive programming. 

Top 10 Coursera Certifications for Data Science, Data Analysis, and Data Visualization in 2025 - Best of Lot

Hello guys, If you are keen to start your career in Data Science, Data Analysis, and Data Visualization field and looking for the best Coursera certifications, courses, specializations, and projects, then you have come to the right place. In the past, I have shared the best Coursera courses and certifications to learn Artificial Intelligence, Python, Software Development, Cloud Computing, and Web Development, and, in this article, I am going to share the best Coursera courses, projects, certifications, and specializations for Data Science, Data Visualization and Data Analysis from reputed universities like Johns Hopkins and industry leaders and tech companies like IBM and Google

Top 10 Coursera Courses to Learn AWS, Google Cloud, Azure, and Cloud Computing in 2025 - Best of Lot

Hello guys, Cloud Computing is an in-demand skill for programmers, Software Developers, and any IT professionals, including support engineers, sysadmins, and even QA and business analysts. More and more companies have moved to the cloud in the last few years, and most technical development is happening there. Hence Cloud computing has become an essential skill to service the tech world. If you want to become a Cloud developer or administrator or just want to know about Cloud computing, you have come to the right place.

Top 6 Course to Crack Azure Administrator Associate Certification Exam AZ-104 in 2025 - Best of Lot

Acquiring skills in Cloud computing is fast becoming an opportunity and asset since most companies are applying cloud technologies in all their operations or looking for ways to learn how to do that. This is why becoming certified as a Microsoft Azure Administrator is now a big step towards advancing one's carrier. With the current industry trend, it is safe to say learning how to create applications that have some if not all of their components hosted in the cloud has become a skill that is very high in demand. If you are preparing for Azure Administrator certification you need to pass AZ-104 exam by Microsoft. This is a completely online exam which you can give on any Microsoft exam center. 

Top 10 Online Courses to Learn Python 3 in 2025 - Best of Lot

If you are a Programmer or a Computer Science graduate and thinking of learning Python in 2025, then you have come to the right place. In this article, I am going to share some of the best online courses to learn Python 3 in 2025. Python is one of the most popular programming languages, and it's used in many domains, like Web development, Automation, Data Science, Machine learning, etc. In recent years, Python has also become a default language for Data Science and Machine learning Projects, and that's another reason why many experienced programmers are learning Python in 2025.

Top 5 Course to Crack Microsoft Azure Developer Associate Certification Exam AZ-204 in 2025 - Best of Lot

Hello guys, Microsoft Azure a cloud-based service that serves as a framework for businesses to manage their services and applications, amongst other things that enable them to run a successful business. Microsoft Azure certifications are currently becoming some of the highest demanded certifications in the IT industry. Businesses that have a reason to influence cloud servers and have a high demand for various remote smart services from different locations are the ones using Microsoft Azure the most.

Top 5 Courses to Crack Azure Solutions Architect Expert Certification (AZ 305) Exam in 2025 [UPDATED]

The Azure cloud solutions from Microsoft are quickly becoming the go-to Cloud platform for many companies. While AWS leads the retail space, and Google Cloud Platform is still in the middle, Microsoft's Azure has emerged as a winner by attracting both big and small companies into its Cloud platform. This means the demand for people familiar with Azure architecture and Azure Cloud products and services is rising and providing some excellent career opportunities for Developers and DevOps who are interested in Cloud Computing. It's also very rewarding; the average salary for Azure Solution Architect in silicon valley is around 145,000 USD, which is highly competitive. It's one of the highest-paying technology jobs.  In short, Azure is currently presenting an excellent opportunity for senior developers.

Top 5 Courses to learn Quarkus and Micronaut for Java Programmers in 2025 - Best of Lot

Hello Java Programmers, Microservices is quickly becoming standard way to build and deploy Java application on Cloud and that's why its very important for Java programmers to learn about popular Microservice development frameworks in Java. If you want to create Microservices in Java and want to explore Microservices frameworks like DropWizard, MicroNaut, and Quarkus, you have come to the right place. In the past, I have shared the best Microsercies courses with Spring Boot and Spring Cloud, and today, I will share the best online lessons to learn Dropwizard and Micronauts. These are the best online courses and tutorials you can get to know this helpful technology. Unfortunately, not many online courses are available, but API docs and guides are also handy; along with these courses, you can read them.

Top 7 Free Git Courses for Programmers to Learn Online in 2025 - Best of Lot

One of my goals is to learn and master Git and GitHub this year and I have been searching for some good tutorials and courses to start with. The Internet is full of git tutorials and a simple Google search will leave you thousands of tutorials but the big question mark is where do you start? It's easy to pick a tutorial or a blog post if you have some background about what is Git, what it does? and how to use it but if you don't have much background then you need a course that can tell you all the information from the ground up. I personally like learning from a book or an online course before moving to blog posts as they were often well structured.

Top 10 DevOps Courses for Experienced Programmers to Learn Online in 2025 - Best of Lot

DevOps is really hot at this moment, and many job opportunities are lying for distinguished engineers and DevOps professionals. If you are an experienced Java programmer and want to become a DevOps engineer, then you have come to the right place. In this article, I am going to share some of the best online training courses you can take to become a DevOps professional. The most crucial advantage of DevOps is that it helps you to deliver better software and provide more control over your environment and software development process with the help of modern tools and automation. That's the reason the demand for DevOps professionals is growing exponentially. It's also one of the high-paying jobs along with Data Science and Machine learning specialists.

Top 8 Courses to Crack AZ-900: Microsoft Azure Fundamentals Cloud Certification in 2025 - Best of Lot

Hello Guys, you may know that Cloud computing is becoming more and more critical, and it's almost mandatory for both technical and non-tech IT people to know about Cloud computing and different Cloud platforms like AWS, Azure, and GCP. You just can't hide with Cloud anymore, you need to learn it to understand and master it to stay relevant in technology jobs. Thankfully there is a lot of learning material available to learn about the benefits of Cloud and why companies should move to Cloud. Still, certifications are probably the best way to develop knowledge, skill, and get the recognition required by many Cloud jobs. If you are just getting started with Cloud Computing and Cloud platforms like Microsoft Azure, then Microsoft Azure Fundamentals (AZ-900) is probably the best certification to build foundational Cloud skills and also get recognition.

Top 5 Java 8 Certifications Courses to Prepare OCAJP (1Z0-808) Exam Online in 2025

If you are preparing for Oracle Certified Java SE 8 Associate exam, also known as OCAJP 8 and OCPJP 8 with exam codes 1Z0-808 and 1Z0-809 and looking for a decent online course to kick start with your preparation then you have come to the right place. In the past, I have shared Java 17 courses for 1Z0-829 certification and Java 11 courses for 1Z0-819 exam and In this article, I will share some of the best online courses to prepare for Java SE 8 certifications. Btw, first of all, configurations to make the right decision. If you are a Java developer then certifying for your skill will not only distinguish you from millions of other non-certified Java programmers but also improve your knowledge and understanding of Java SE 8. If you are looking for a job then this can help you to get a better job and if you are looking for career growth like becoming a senior Java developer, these certifications can help you to get a promotion.

Top 7 Free Java Courses for Beginners to Learn Online in 2025 - Best of Lot

We all love free resources, don't we? If you want to learn Java online in 2025 and looking for the best free core Java online courses then you have come to the right place. Earlier, I have shared the best Java courses for beginners and in this article, I am going to share the best free courses to learn Java online. There was a time when I buy a lot of books when I was preparing for my engineering entrance exam but I only ended up buying books not reading them. After that, I changed my habit to first try to read a book on loan or try free resources and only buy when I really need them. When I started my programming journey, mostly I learn from free resources like free courses and books and there I developed the passion to collect free resources as well. 

Top 7 Data Science and Machine Learning Courses to Learn Online in 2025 - Best of Lot

Many programmers and Computer Science graduates are moving towards Data Science and Machine learning hoping for better pay and career opportunity and there is a reason for it. Data Scientist and Machine Learning Specialist have been ranked the number one job on Glassdoor for the last couple of years and the average salary of a data scientist is over $120,000 in the United States according to Indeed. Data Science is not only a rewarding career in terms of money but also provides the opportunity to solve some of the world's most interesting problems.  IMHO, that's the main motivation many good programmers are moving towards Data Science, Machine Learning, and Artificial Intelligence.

Top 7 Spring MVC Online Courses for Beginners in 2025 - Best of Lot

Hello guy, Many of you have been asking me about the best online courses to learn Reactive Spring, Spring Boot, and Spring MVC. I have shared the best Spring Boot courses in the past, and today I will share the best courses to learn Spring MVC. Many Java developers think that Spring MVC is the same as Spring Framework, which confuses them. In this article, I'll try to answer than questions and share some of the best courses to learn Spring MVC for Java developers. Both Spring Core and Spring MVC are part of the same umbrella, a more significant spring framework project, but they are not the same.

Top 6 Courses and Books to Learn Tailwind CSS for Beginners in 2025 - Best of Lot

Hello guys, if you want to learn Tailwind CSS and their utility class in 2025 and looking for the best online courses to learn Tailwind CSS then you have come to the right place. In the past, I have shared best courses to learn HTML and CSS and Bootstrap, another popular CSS framework and in this article, I will share best online courses for Tailwind CSS. If you don't know what is Tailwind CSS, let me give you a brief overview first. It's another utility framework which allows you to break your style into small reusable components. This prevent repetition and improves organization by creating CSS classes for every feature or section on the website instead of hogging all page space with one big style sheet that applies globally

Top 8 Courses to learn Pandas and Python Data Analysis for Beginners in 2025 - Best of Lot

Pandas is one of the most potent and popular Python libraries for Data Analysis. It's also one of the favorite tools for Data scientists because it helps them in cleaning, transformation, manipulation, and analysis of Data. To be honest, data in the real world is messy, and before you can start with your analysis, you need to clean and transform the data in the format you want. A tool or library like Pandas really helps there. That's why it's essential to learn about Pandas while doing Data Analysis with Python. It's even more critical if you are in the field of Data Science and Data Analysis. If you know Pandas, well and good, but if you don't mind, as I am going to share some of the best online courses to learn Pandas and Data Analysis with Python in 2025.

Top 10 Data Science Certification Courses for Python and R Developers in 2025 - Best of Lot

Hello guys, Data Science, Machine Learning, Deep Learning, and Artificial intelligence are really hot at this moment and offering a lucrative career to programmers with high pay and exciting work. It's an excellent opportunity for programmers who are willing to learn these new skills and upgrade themselves. It's also important from the job perspective because Robots and chatbots are getting smarter day by day, thanks to these technologies, and most likely will take over some of the jobs which many programmers do today. Hence, it's essential for software engineers and developers to upgrade themselves with these skills.

Top 5 Udemy Courses to Learn Artificial Intelligence in 2025 - Best of Lot

If you want to learn Artificial Intelligence in 2025 and looking for the best online courses then you have come to the right place. Earlier, I have shared the best Data Science courses and today, I am going to share the best courses to learn Artificial Intelligence in 2025. These are the best online courses for Artificial Intelligence or AI for beginners and curated from sites like Udemy, Pluralsight, and Coursera, three of the best online learning platforms. These courses have been created by experts like Andrew Ng, an AI pioneer and founder of Coursera, and trusted by thousands of programmers and non-technical people who want to learn AI.  You can also join them to learn Artificial Intelligence in 2025. 

Top 10 Coursera Certifications, Courses, and Specializations to Learn Essential Skills in 2025 - Best of Lot

Hello guys, if you are looking for the best Coursera courses, certification, and specialization to join in 2025 then you have come to the right place. In the last few articles I have shared the best Coursera courses to learn Python, Software Development, and Cloud Computing, and today, I will share the best Coursera courses, specializations, and certifications you can join in 2025. Taking online courses and certifications have become mandatory in order to have a professional and successful career and the process is similar to a college education just by staying at your home taking classes watching videos and passing the quizzes and done you are now officially certified and when it comes to the best platform to learn online no one can compete with Coursera.

Top 7 Free Udemy Courses to Learn Kubernetes for Beginners in 2025 - Best of Lot

Hello guys, DevOps is becoming an essential skill in today's Programming and Software Development world and Kubernetes is an important concept and tool for DevOps engineers. It takes container-based deployment to another level and allows you to manage it on the scale. You can use Kubernetes to scale your container environment or let Kubernetes do all the work for you by leveraging its auto-scaling feature. Many DevOps beginners think that Docker and Kubernetes are the same but they are not. Docker provides a container to deploy your application and commands to interact with those but container but Kubernetes is actually a container management technology, which decides how many containers are needed and deal with other management aspects.

Top 5 Udemy Courses to learn D3.js for Data Visualization with JavaScript in 2025 - Best of Lot

If you have done any Data visualization work then you might have heard about D3 - one of the excellent JavaScript libraries, which allows you to create beautiful interactive data visualization for the web. It's prevalent among Data Scientists and Data Analysts who often need these visualizations and charts to present data insights to stakeholders and business people. If you are not familiar with D3, no need to worry because, In this article, I am going to share some of the awesome courses to learn D3 in 2025. These courses teach you the basics of data visualization with D3 by binding data to a web page’s elements and customizing the elements based on that very data. You will also learn how to build different kinds of charts like Bar charts, Pie charts, Mind maps, etc using D3.js

Top 6 Udemy Courses to Learn IntelliJ IDEA and Android Studio IDE for Beginners in 2025 [Best & FREE]

There is no doubt that IntelliJ IDEA is THE best IDE for Java development, even though Eclipse may still be probably used by more people because it's FREE, IntelliJ IDEA is the most feature-rich and complete IDE. The Android Studio, which is the official IDE for Android development in Java, is also based upon IntelliJ IDEA, which further cement its place as the IDE Java developer should learn. The only thing which stops many other Java developers and me from moving from IntelliJ IDEA in the past was the lack of resources. Since Eclipse was free from the start, there are tons of resources, like books, courses, and tutorials are available. 

Top 6 Free Data Structure and Algorithm Courses for Java and C Programmers

Data Structure and Algorithm is one of the essential topics for programmers, both to get a job and do well on Job. Good knowledge of data structure and algorithm is the foundation of writing good code. If you are familiar with essential data structures like an array, string, linked list, tree, map, and advanced data structure like Tries, AVL trees, etc and know when to use which data structure and compute the CPU and memory cost of your code in terms  Even though you don't need to write your own array, linked list or hash table, given every major programming SKD provides them like JDK or C++ STL library, you will need to understand them so that you can use them in right place. 

Using the right data structure can drastically improve the performance of an algorithm.

Which is the best course to Learn Spring Security 5 and Spring Data JPA for Java Programmers?

If you are a Java Spring developer and working with Spring Security then you may be familiar with the "Learn Spring Security" course by Eugen Paraschiv of Baeldung. It is one of the most advanced and comprehensive courses on Spring Security and the best part of this course is that Eugen always keeps it up-to-date with the new Spring Security release. Now that version Spring Security 5 is out - he has updated his course to use new features of Spring Security 5. Btw, there is some really cool new functionality coming in Spring Security 5 for the reactive programming model, and many other improvements and new features. But, the most important one is the release of OAuth2.

Grokking the SQL Interview is Available Now !!

Hello guys, I am feeling proud and excited to announce the release of my new book, "Grokking the SQL Interview", a book, which programmers, Data Scientist, Data Analyst, QA, Business Analyst, and Junior DBAs can use to prepare for SQL question on tech interviews. Yes, it's finally available now after 2 years of waiting and you can purchase it now on Gumroad for a special price of just $10.95 (original price $21.90). I thought about this book 4 years ago , and it took really long to work on this as I tried to make it as perfect as possible.

Top 5 Free Udemy Courses to Learn Java Multithreading and Concurrency in 2025 - Best of Lot

Hello guys, if you want to learn multithreading and concurrency in Java and looking for best free resources like online courses and tutorials then you have come to the right place. Earlier, I have shared best free Java Courses and best free Spring Framework courses and today, I will share best free online courses to learn Multithreading and Concurrency in Java. Multithreading is one of the important skill for Java programmers as companies are always in hunt of Java programmer who are good at multithreading and concurrency but at the same time its very hard topic to master. Acquiring solid multithreading and concurrency skill require a lot of hard worked and years of experience but you can speed up by joining best Java multithreading courses and learning from expert.

Top 15 Udemy Courses to Learn Essential Skills for Programmers in 2025 - Best of Lot

Hello friends, there is no doubt that Udemy is one of the most popular e-learning platforms. It helps more people learn valuable skills like Programming, Coding, Web development, App development, Python, Java, C/C++, Data Science, Machine Learning, Node.js, React.js, JavaScript, and others, which helps them to get a job and career in technology. Even though Udemy has all kinds of courses, from Programming to Photography, from Music to Digital Media, in this article, we have compiled a list of the best Udemy Courses and certifications for Programmers and Developers.

10 Best Udemy Courses of Stephane Maarek to Learn AWS and Kafka in 2025

Hello guys, if you are learning AWS and Apache Kafka and looking or best online courses or you have heard about Stephane Maarek and his popular Udemy courses on AWS certification, Apache Kafka, and Google gRPC but not sure whether to join or not then you have come to the right place. Earlier, I have shared best AWS courses and best Kafka courses where I have featured Stephane's Udemy courses but in this article, I am going to share all of the best Udemy courses by Stephane Maarek on Udemy which you can join in 2025. But, before we get to the 10 best Udemy courses of Stephane Maarek, let me tell you who Stephane really is and why his courses are really popular on the platform.

Top 5 Jose Portilla Courses from Udemy to Learn Python, SQL, and Data Science in 2025 - Best of Lot

Hello guys, If you have joined any course on Udemy then I am sure you will have your favorite instructor, I have many and in the past I have shared best Udemy course by Maximillian Schwarzmuller and today, I am going to share best Udemy courses by Jose Portilla, anothe of my favorite instructor when it comes to learn Python, Data Science, and related technologies. Jose Portilla is unquestionably one of Udemy's most popular Data Science and Machine Learning professors. His courses are a treasure for data junkies, with over 3,500,000 total students and an average rating of 4.5+/5 stars from 800,000+ evaluations. 

Top 6 Websites to learn Microsoft Azure Cloud for FREE in 2025 - Best of Lot

Hello guys, Cloud Computing is a great skill to learn in 2025 and when it comes to choosing the Cloud Platform, Microsoft Azure is quickly becoming one of the essential skills for many developers, DevOps and software engineers as more and more companies are moving to Cloud and Azure. Many companies mostly investment banks are also adopting a multi-cloud strategy which means having a backup cloud platform apart from AWS which is also fueling demand for Azure engineers. If you want to learn Azure and looking for best resources then you have come to the right place. Earlier, I have shared best Cloud Computing courses, books as well as best Azure courses and today, I am going to share best places and websites to learn Cloud Computing with Microsoft Azure for FREE. 

Top 10 Tools Data Scientists and Machine Learning Developer Should Learn in 2025

Hello guys, if you are learning Data Science and Machine Learning in 2025 and looking for essential tools and libraries then you have come to the right place. Tools are very important for professional developers as they help them to do their job more efficiently. There is also a saying that a craftsman is as good as their tools and this is even more important in the field of Data Science and Machine learning as you have to deal with large datasets. You often need powerful tolls to normalize data, clean data, visualize data as well as build and test models. In the past, I have shared essential tools for Software developers,  tools for Java developers, essential tools for Python developers, as well as important tools for Web Developers, and today I am going to share essential tools for Data Scientists and Machine Learning developers, and engineers.

Top 5 Free Udemy Courses to Learn JUnit in 2025 - Best of Lot

Hello guys, if you want to learn JUnit, one of the most important testing tool for Java developers and looking for online resources like books, online courses, tutorials, and interview questions then you have come to the right place. Earlier, I have shared best JUnit courses, books, tutorials, and Junit interview questions and in this article, I am going to share best free courses to learn JUnit in 2025. But, before we get to the 5 best free online courses that will teach you everything there is to learn about JUnit, let me tell you a little bit about what is JUnit and why it's important for a Java developer to learn JUnit in 2025. 

Top 5 Udemy Courses to Learn JavaScript Unit Testing in 2025 - Best of Lot

Hello guys, if you want to learn unit testing in JavaScript and looking for best resources like online courses, books, and tutorials then you have come to the right place. In the past, I have shared best JavaScript Courses, Books, Websites, and Interview Questions and today, I am going to share 5 best online courses you can join to learn JavaScript unit testing in 2025. Unit testing is a must have skill for any developer in today's modern world of Software development and while JavaScript has many library which can help you with the unit testing like Jasmine and Cactus, you got to learn the basics first. Before we get the 5 best courses that will teach you everything you need to know about JavaScript Unit Testing, let me tell you a little bit more about JavaScript Unit Testing. But before we learn about JavaScript Unit Testing, we must understand what JavaScript is ?

Teachable, Thinkific vs Udemy? Which is the Best Online Course Platform in 2025?

I have been researching a lot about how to create a successful online course since last year. I have yet to launch my video course but I have started with some Udemy practice courses like my Spring certification practice test course on Udemy which has more than 1500+ students so far. I chose Udemy because they have a great platform for practice tests, but I am also learning other platforms like Teachable and Thinkific to create an online course website that is fully owned by me. Along the way, I have also started mentoring many readers about creating online courses and why they should create them. Why I am doing this? because I believe together we can learn better and succeed. If I have a group of passionate developers who like to teach online, there is a better chance of creating a successful online course. 

3 Ways to Learn Web Development in 2025 - Best of Lot

Hello guys, if you want to learn Web development but not sure how to start it then you have come to the right place. In the past, I have shared best free web development courses as well as best paid web development courses and in this article, I am going to share 3 ways to learn web development in depth. Web development has changed a lot in the recent decade. More and more frameworks and libraries have come out while the older ones are either updated or left out. For example, React and Vue has debuted in the mid-2010s and quickly became popular while AngularJS was completely re-written to survive modern web development. 

21 Jenkins and CI/CD Interview Questions for Java Developers and DevOps (with Answers)

Hello guys, if you are preparing for Java developer interview or a DevOps Engineering interview then you must prepare for Jenkins related interview questions. Jenkins is one of the most essential tool for creating build, test, and deploy pipelines in Java world and almost every company and project you work will need a Jenkins pipeline for automation. If you are joining as junior developer then most likely you will already find the pipelines setup for you and you only need to customize it or modify based upon new requirements but if you are joining as an experienced developers or DevOps Engineer and its a green field project then you will most likely need to do all the hard work and setup those Jenkins  pipelines from scratch, and its not possible without a good, solid knowledge of how Jenkins works and different plugins.

Review - Is Advanced CSS and Sass: Flexbox, Grid, Animations, and More on Udeym Good?

Hello guys, if you want to learn CSS for web development in 2023 and looking for best online course or heard about Jonas Schemdtmann's Advanced CSS and Sass:Flexbox, Grid, Animations course and wondering whether to join or not then you have come to the right place. Earlier, I have shared best online course to learn CSS where I had mentioned about this course and in this article, we will review this course in depth so that you can find more about it and make an informed decision whether to join this course or not. If you are new to CSS then CSS is one of these languages that will add style to the website, and this course I've found will help you learn this language to become an advanced level.

Top 10 Online Courses to Learn Web 3 in 2025 - Best of Lot

Hello guys, if you want to learn Web3 technology and looking for best online resources like online courses and tutorial then you have come to the right place. Earlier, I have shared 10 free Web3 tutorials and in this article, I am going to share 10 best online courses to learn Web3 in 2025. But, before getting to the 10 best courses that you can use to learn more about Web3, let me tell you more about what it really is.  Web3 is basically used to refer to a new kind of internet service that can be built using decentralized blockchains. These blockchains can be seen as shared ledger systems that can be used by cryptocurrencies like Ethereum and Bitcoin.

Top 5 Java EE 7 Application Developer Exam Courses and Practice Tests in 2025

Before we get to the best courses that you can use to clear the Java EE 7 Application Developer Exam, let me tell you what this exam really is. The Oracle Java EE 7 Application Developer Certification is an exam that validates your programming ability to develop and deploy applications using Java Platform, Enterprise Edition 7. This Java Certification exam is meant for intermediate and advanced-level front-end and back-end application developers, architects, and software engineers who possess the necessary skills. You should be an expert in utilizing the Java EE 7 technology to create web-based user interfaces using JavaScript, JSPs, JSFs, and Servlets.

Top 5 Java 8 Practice Test and Exam Simulators (OCAJP and OCPJP) - Best of lot

Apart from books, exam simulators are another essential tool to prepare for Java certifications. They not only give you the opportunity to test your knowledge topic-wise but also provide a helpful explanation to clear your doubt and misconception, which means you can learn on the fly. Actually, when I prepared for my SCJP exam, I learned a lot of new concepts by just giving mock exams and solving practice questions. Since most of the Java certification aspirants are Java developers with some experience i.e., they have done a good amount of coding, they can easily understand the code, but they might not be familiar with the exam format.

Review - Is React Complete Guide Course on Udemy Good?

If you want to learn React.js and looking for the best online course to join or want to learn more about React - The Complete Guide Udemy course then you have come to the right place. Earlier, I have shared the best React and Redux courses and in this article, I am going to review, Udemy's best React course, React - The Complete Guide (incl Hooks, React Router, Redux) by Maximillian Schwarzmuller and AcadMind. This 72-hour long course is one of the best resources for people wanting to learn to React and Max has just re-recorded all lessons making it the most up-to-date course to learn to React.js library in depth. 

10 Linux Commands and Options Every Developer should Learn

Hello guys, you might have read many articles about popular Linux commands on the internet but this article is a bit different. In this article, I am going to share some lesser-known options of essential Linux commands like find, grep, mkdir, etc, which many Linux users, including programmers, don't know, even after using the command for quite some time. For example, cp -p is an option that I discovered quite late but ever since I discovered it I have been using it regularly as it preserve timestamp and I can see when this file was originally created. I am going to share 10 such Linux command examples in this post, which I am sure you will love it and if you already know them, then there is a good chance that you have something similar to share with us in the comments section. 

Why Programmers Should Learn Mathematics Again?

Hello folks, I have been learning Mathematics again from some time now, ever since I have introduced with Knuth's "Concrete Mathematics" by one of my friend, who I know is a much better programmer than me. I was like, no dude, programmers don't need to learn Mathematics again, whatever I have learned in the past, I have hardly used them. I should learn more about functional programming, Scala, JVM tuning and how to design Scalable, robust and concurrent systems rather than wasting time to learning Maths. But, he insists me to read the book and couple of others on discrete maths whenever you have some free time. 

Top 10 Business, Finance & Entrepreneurship Courses and Certifications in 2025 - Best of Lot

Hello folks, If you are keen to start your business and finance career and looking for the best Coursera certifications, courses, specializations, and projects, you have come to the right place. Earlier, I have shared the best Coursera courses and certifications to learn Python, Artificial Intelligence, Software Development, and Web Development, and, in this article, I am going to share the best Coursera courses, projects, certifications, and specializations for Business and Finance from reputed universities like Rice University, London University, and the University of Pennsylvania. 

250+ Practice Questions for Java SE 11 Developer Certification [1Z0-819] Exam

Hello guys, I am very excited to announce the release of my new Udemy course, Java SE 11 Certification Practice Tests for the 1Z0-819 exam. This is one of my dream projects which I have been working on since last year and one of the 3 goals I had set up for this year, along with Grokking the Spring Boot Interview and Grokking the Java Interview. This is also my first Java course on Udemy. The course is a practice test that contains more than 250+ practice questions to prepare for Java SE 11 Developer certification or 1Z0-819 exam. If you are preparing for this certification then you can use these practice tests to check your preparation level, find your strong and weak areas and work upon them. 

What is Covariant Method Overriding of Java? Example

Sometimes knowledge of a specific Java feature can improve code quality, Covariant method overriding is one such feature. Covariant method overriding was introduced in Java 5, but it seems it lost between other more powerful features of that release. Surprisingly not many Java programmer knows about Covariant overriding, including me, until I read, one of the best Java books on Collection framework, Java Generics, and Collection. Covariant method overriding helps to remove type casting on the client-side, by allowing you to return a subtype of actually return type of overridden method.

How to create Custom Exception in Java - Tutorial Example

Sometimes we need to create custom Exceptions in Java, i.e. Exceptions which are not defined in JDK or any third-party library your application is using. Though it’s widely recommended on several Exception best practices articles, even Joshua Bloch has recommended in Effective Java to prefer standard exception over custom exception, sometimes you really need it. There are certain guidelines to help to find whether you really need a custom exception or not. 

Review of Udemy's Machine Learning A-Z - Hands-On Python and R in Data Science - Is it worth it?

Hello there, If you want to learn Machine Learning and thinking whether Udemy's  Machine Learning A-Z - Hands-On Python and R in Data Science       an online course is worth it, nor then you have come to the right place. In this article, I have reviewed Udemy's Machine Learning A-Z - Hands-On Python and R in Data Science by Kirill Eremenko and Hadelin De Ponteves. Honestly, this is one of the best Machine Learning courses you can get at an affordable price and is suitable for both beginners and intermediate programmers and people who want to pursue Machine Learning. If you are in a hurry, I suggest you join the course, but if you have some time, then stay and read the full review to make an informed decision. 

10 Articles Every Web Developer Should Read

Hello guys, how are you doing? I am back again with my list of 10 articles everyone should read. In the past, I have shared 10 articles every programmer should read, which has was loved a lot by you guys, and many readers appreciated and says they benefited a lot from them. I can understand that because feeling of discovering a great article is similar to finding gold in a salt-mine. The intent is full of tutorials and resources, but not all of them are good, and with such huge numbers, it has become increasingly difficult to find good resources, or should I call the gem of articles, which everybody wants to read.

Top 10 Java SE 17 Certification Practice Questions and Mock test for 1Z0-829 Exam - Free

Hello guys, if you are preparing for 1Z0-829 certification exam to become a Oracle certified Java SE 17 Developer and looking for practice question for preparation then you have come to the right place. In this article, I am going to shared 10 Java SE 17 Practice question from my new Udemy course. It's been a long time since I released any course on Udemy and today, I am excited to announce the launch of my new course - Java SE 17 Mock Test for the 1Z0-829 Exam. I have been working on this course for a long time, ever since this exam was announced and if you follow me on Twitter then you know that as well. 

Does Udemy, Coursera, edX, and Udacity Course Certifications Helps in Job & Career?

While online courses provide an excellent platform for learning at low cost, at your schedule, and at your own pace, I often received questions from my readers about the worth of their certifications. Many people asked me whether course completion certificates offered by Udemy, Coursera, edX, Educative, Udacity, or any such online platforms are worth any? The answer to this question is both Yes, and No because it totally depends upon what worth means for you?  If you are thinking that just completing a  Computer Science or Data Science course on Coursera and displaying a certificate on your resume or on LinkedIn will land you a job, then definitely, it's not worth it, but at the same time, these certifications can put your resume forward to many Recruiters looking for Data Scientist.

Difference between UTF-8, UTF-16 and UTF-32 Character Encoding? Example

The main difference between UTF-8, UTF-16, and UTF-32 character encoding is how many bytes it requires to represent a character in memory. UTF-8 uses a minimum of one byte, while UTF-16 uses a minimum of 2 bytes. BTW, if the character's code point is greater than 127, the maximum value of byte then UTF-8 may take 2, 3 o 4 bytes but UTF-16 will only take either two or four bytes. On the other hand, UTF-32 is a fixed-width encoding scheme and always uses 4 bytes to encode a Unicode code point. Now, let's start with what is character encoding and why it's important? Well, character encoding is an important concept in the process of converting byte streams into characters, which can be displayed.

Where is Java used in Real World?

If you are a beginner and just started learning Java, you might be thinking about where correctly Java is used? You don't see many games written in Java except Minecraft, desktop tools like Adobe Acrobat, Microsoft Office are not written in Java, neither are your operating systems like Linux or Windows, so where exactly do people use Java? Does it have any real-world application or not? Well, you are not alone, many programmers ask this question before starting with Java, or after picking Java as one of the programming languages of choice at the graduate level.

Is Pramp a Good Place for System Design and Coding Mock Interviews in 2025?

Hello guys, if you are preparing for tech interviews in this tough market then you may know that preparing for technical interviews can be a daunting task, especially when targeting top-tier companies like FAANG (Facebook, Amazon, Apple, Netflix, and Google).  But, good resources can make this task slightly easier for you.  In the past, I have shared the best Coding interview books, courses, and websites as well as System design books, courses, and websites to prepare well for both Coding and System design interviews. While these books and courses are essential for tech interview preparation if you want to crack FAANG interview then you must do Mock interviews, as many as possible.

Review - Is System Design Interview - An Insider's Guide by Alex Xu and Shan Lam worth?

Hello guys, if you are preparing for System design interviews or Software Design Interviews, then you must have come across System Design Interview - An Insider's Guide by Alex Xu and Shan Lam, one of the most popular book on System Design after Designing Data-Intensive Applications by Martin Kleppmann. I first come across Alex Xu on Twitter when one of his image about how HTTPS works went viral. The image was quite detailed and presentable so I start following Alex and then I come across ByteByteGo, his online System design course and his book System Design Interview - An Insider's Guide. 

Top 10 System Design Courses for Beginners and Experienced Developers in 2025 - Best of Lot

Hello guys, if you are preparing for System design interview and looking for best online courses to learn essential System design concepts like load balancing, API Gateway, scalability, Microservices architecture as well as learn how to solve popular System design questions like how to design YouTube, WhatsApp, Parking Lot, Library System as well when to use NoSQL and SQL then you have come to the right place.  In the past, I have shared best System Design Books, Free System design courses,  System design prep guide, and System Interview Questions and in this article, I am going to share best System Design Courses for beginners and experienced Software Engineer to level up their System Design skills in 2025. 

Top 8 Udemy Courses to Learn System Design and Software Architecture in 2025 - Best of Lot

Hello guys, if you want to learn Software Architecture and System design in 2025 and looking for best resources then you will be happy to know that  I am going to share  8 best Udemy courses to learn Software architecture and System design for 2025. if you are preparing for technical interviews for Software Engineering job then you may be aware of  Software Design or System design. It is one of the most important but at the same time very tough topic to master and many programmers even experienced developer struggle to solve System design problems during interview, particularly while interviewing with top tech companies like Google, Meta, Amazon, Apple, Microsoft, Netflix etc, popularly known as FAANG (now MAANG) since Facebook is now Meta. 

Top 10 System Design and Software Analysis and Design Books in 2025 - Best of Lot

Hello guys, System design and Software design are two important topic for coding interviews and also two important skill for Software developers. Without knowing how to design System you cannot create new software and it will also be difficult to learn and understand existing software and system. That's why big technical companies like FAANG pays special attention to System design skill and test candidates thoroughly. If you want to learn System design and looking for best resources like best System design books and courses then you have come to the right place. Earlier, I have shared best System design online courses, as well as Software architecture courses,  and common System design questions and in this article, I am going to share with you best System design books to learn Software design. 

Top 10 Courses to Crack System Design Interview in 2025 - Best of Lot

Hello guys, if you are preparing for System Design Interviews and looking for best resources then you have come to the right place. Earlier, I have shared best System design book, courses, websites, and System design interview questions and in this article, I am going to share in-depth System design courses from Educative.io, a text based online learning platform for developers and engineers. These are the best online courses to prepare for System Design Interviews in 2025.  If you have been doing Software development then you know that System design is one of the most important skill for developers and managers. 

Top 10 Websites to Learn System Design and Software Design in 2025 - Best of Lot

Hello guys, if you are preparing for System design Interview and looking for best resources to master Software design and System design then you have come to the right place. Earlier, I have shred best System Courses, Books, System Design Interview Guide, Cheat Sheets, and System Interview Questions and in this article, I am going to share best places to learn System design in 2025. Before we get to the best websites that will teach you everything you need to know about system design, let me tell you a little bit about what it really is. Systems design is basically the process of defining elements of a system including modules, architecture, components, interface, and data for a system based on a specific set of requirements. It can also refer to the process of defining, developing, and designing systems. These designs have to satisfy the specific needs of a company or an organization.

DesignGurus.io Review - Is Grokking Advanced System Design Interview Course Worth it? (2025)

Hello guys, Before I give my review of DesignGurus.io's Grokking Advanced System Design Interview course, let me tell you a little bit more about this course so that we are on the same page. As you must already know if you have ever gone through for a software engineering interview, system design questions are an integral part of the process. System design plays a very important part as it is considered more important than solving coding problems. And in order to impress your potential employers, you have to be able to show your real design skills and convince them that you are able to work with complex design systems.

Top 20 System Design Interview Questions with Answer for 1 to 3 Years Experienced

Hello guys, if you are preparing for FAANG or any Software developer Job Interview on Startup or a Tech company like Spotify, Flipkart, or Zoom but worried about System design questions then you are not alone. System design is an intimidating topic and requires a lot of study and experience to design a real world system. While it's not a rocket science the knowledge of different system design components and concepts are hard to acquire. In the past, I have shared best System Design Courses and best Software architecture courses as both are related to each other and in this article, I am going to share 20 System Design Interview Questions with answers for programmers with zero to 3 years of experience. 

How to design a Messaging App like Twitter on System Design Interview? [Solution]

Hello guys, if you are preparing for system design interview and looking for common System deign problems and resources then you have come to the right place. In the past, I have shared best System Design courses, books, websites, newsletters, cheat sheets, mock interviews, blogs, tips, GitHub repo, and 100+ System Design Interview Questions and Problems and today I am going to discuss one popular System deign problem — designing Twitter or X.com. Designing a complex system like Twitter can be challenging, especially in a system design interview.