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Top 20 System and Software Design Interview Questions for Java Programmers

System design questions are an important part of programming job interviews and if you want to do well, you must prepare this topic. In the past, when I shared my list of programming interview questions, I have shared a couple of System design questions but my readers kept asking me for more questions, as it is a hard topic to master and more and more practice is needed. I had my own list of questions that I have collected from various interviews with friends and colleagues but I needed more questions for this article and my own preparation then I stumbled upon the Grokking System Design Interview course. It's an excellent resource because it not only gives you a lot of System design question but also provide all the knowledge and tools you need to solve those questions.

Top 10 Free Courses to learn Full Stack Development in Java - Best of Lot

Hello guys, if you want to become a full-stack Java developer and looking for free online Java Full-stack development courses to kickstart your career then you have come to the right place. Earlier, I have shared the best Java full-stack development courses and today, I am going to share 10 of the free online courses you can join to become a full-stack Java developer. The long journey of becoming a full-stack Java developer is not easy. You need to know all the details, from the front end to the backend. Not only these you need to know how things function in databases and connectivity.

Top 10 Programming Books for Coders of All levels - Must Read

Coding is one of the most essential skills for programmers, and if you want to survive as a programmer, you must improve your coding ability. Gone are the days when you can get a software development job without having you write a single line of code and then somehow survives in the role by doing support, coordination, and other non-coding activities. Companies, both big and small, are increasingly testing the coding skills of candidates before hiring. It's widespread for programmers to pass a coding test before a telephonic round of interview. 

Top 5 Golang Courses to Learn Go Programming language in 2021 - Best of Lot

Hello guys, if you want to learn the Go programming language and looking for the best Golang online courses then you have come to the right place. Today, I am going to share about one of the modern programming language called Go or Golang, which is created by none other than Google, creator of Angular, Android, Flutter, and Dart to make their software development process smoother and better. In 2009, Google set out to create a new programming language that was fast, productive, and fun-to-code but without compromising readability, productivity, and simplicity, and that' how to Go programming language was born.

Difference between UNION vs UNION ALL in SQL?

Hello guys, what is the difference between UNION vs UNION ALL is one of the most popular SQL interview questions and often asked programmer during telephonic round of interview. Though both UNION and UNION ALL is used to combine results of two SELECT queries, the main difference between them is that UNION doesn't include duplicate record but UNION ALL does. Another difference between them is that UNION ALL is faster than UNION but may look slow because it returns more data which takes more time to travel via the network. The difference between UNION and UNION ALL can be a tricky SQL question, especially for developers, who have not used this useful keyword ever. 

6 Free Blockchain Online Courses and Certifications for Beginners in 2021 - Best of Lot

Hello guys, if you want to learn Blockchain development and looking for some free Blockchain courses then you have come to the right place. Earlier, I have shared my favorite and best blockchain courses for programmers and a lot of you asked for free online courses to learn Blockchain so today, I am going to share the best free Blockchain development courses you can join in 2021. Blockchain is one of the most in-demand technologies and one skill that you should learn in 2021. It will not only help in your career but also raise your profile. This is one thing I have highly recommend programmers to learn this year.