Top 10 Websites to Practice Coding Problems for Programming Interviews - Best of Lot

If you are a fresher or final year graduate preparing for your placement interview, or a Java developer preparing for your next job and looking for some websites, blogs, and forums for programming interview questions then you have come to the right place. In this article, I am going to share some of the really good websites and resources that will help you to prepare and do well in programming interviews. Though there are a large number of good books with lots of programming questions like Cracking the Coding Interview and Programming interview exposed, they are not the most interactive or comprehensive resources.


Since with times, interviews are also changing you need to keep yourself updated with the latest programming job interviews and Java questions.

Though I still recommend those books highly because Programming questions not really change a lot, you can take the help of following websites to learn more and prepare well for your Programming job interview.

Alternatively, you can also explore online courses like Break Away: Programming And Coding Interviews on Udemy to properly prepare for Interviews.  They cover topics like data structure and algorithms, general programming, and bit manipulation, an important topic for interviews.





10 Websites for Programming Job Interview Questions

Here is my list of some of the useful websites you can visit to prepare for your next programming job interview:

1. LeetCode

LeetCode is a great and relatively new website with a huge number of questions. It's the real site for preparing a programming job interview. It has got coding problems with a well-defined problem statement and asks you to solve the problem and submit the solution in any of your


2. Javarevisited 

Disclaimer first, this is my blog. I mostly provide frequently asked, curated list of programming interview questions on various topics like Java, Coding, String, Array, Data Structure and Algorithms, Design pattern, Servlet, JSP, Spring, Hibernate, Web service, REST, SOAP, UNIX, Linux, SQL, and Database, etc.

It basically contains several articles to help you prepared well for your programming interviews, particularly for Java Job interviews. I also take the time to explain which answer is right and what is wrong and why so you can learn as well while preparing for programming job interviews.

Though, if you want to prepare a topic from scratch like algorithms, I suggest joining a comprehensive course like Data Structure and Algorithms: Deep Dive Using Java on Udemy.

10 Great Resources for Programming Job Interview Questions


3. GeeksForGeeks

GeeksForGeeks is a great website that has lots of programming questions from various tech companies like Amazon, Google, Facebook, Microsoft, Flipkart, Uber, etc. It's mainly a user contribution based website where users contribute programming questions in the form of short summary and articles.

The GeeksForGeeks team also write an article to explain concepts which are important from the programming point of view like data structure and algorithms like Trie, Red-BlackTree, Self Balanced Tree, etc.

Overall a comprehensive source for lots of programming questions but you need to spend the time to find good ones.

4. HackerRank

Another website full of challenging coding problems. You can join the website not just for programming job interview questions but also to improve your coding skills by solving challenging questions.


5. CareerCup

A website where you will find a lot of programming job interview questions from different companies.


6. Code Career Blog

Another blog where you will find a lot of programming job interview questions and their solution with proper analysis. Blogger, Harry He is also the author of Coding Interviews: Questions, Analysis & Solutions, one of the excellent books to prepare for Programming Job interviews.

10 Websites for Programming Job Interview Questions



7. Java67

Well, this is the site where you are currently, reading this very own article. I have shared a lot of useful programming job questions. You can find them by topic like an array, string, linked list, binary tree, etc. Alternatively, you can also use the search bar to search for questions.


8. TopCoder

A large number of Practice Problems. Some of them are very tough to solve but you will learn a lot of if you attempt to those questions.

9. Spoj 

very tough and with real-time algorithms


10. CodeChef

It's a great online platform for Aspiring programmers. Created by Directi, one of the leading software company this platform help you learn and master Algorithms and Computer Programming. You will also find a lot of programming contests on this site. It also provides certifications.

That's all about this list of top websites for Programming interview questions. Depending upon which niche you are you can also focus on one of the sites like for data structure and algorithm, GeeksforGeek has got a large number of problems but Javarevisited is the best for preparing Java interviews.

LeetCode is also a great resource for data structure and algorithms particular String and array, and nowadays it's also got some SQL and database question and some bash script questions.


Other Programming Resources you may like


Thanks for reading this article so far. If you like these online courses to prepare well for programming job interviews then please share with your friends and colleagues. If you have any question or feedback then please drop a note.

P.S. - If you prefer books then you can also check out my list of top 10 books to prepare coding interviews.

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