January 26, 2022

Blog @ Munaf Sheikh

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Top 10 Websites for Coding Interview Preparation in 2022- Best of Lot


Since with time, interviews are also changing you need to keep yourself updated with the latest programming job interviews and Java questions. Now, you just cannot pass a programming job interview without writing code, which wasn’t the case 10 years ago. 

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

Alternatively, you can also explore online courses like Master the Coding Interview: Big Tech (FAANG) Interviews by Andrei Negaoie on Udemy to properly prepare for coding Interviews.  They cover topics like data structure and algorithms, general programming, and bit manipulation, an important topic for interviews.

10 Websites and Places to Practice Coding Problems for Interviews in 2022

Here is my list of some of the useful websites and online platforms you can visit to prepare for your next programming job interview. The list includes websites, online platforms, blogs, as well as competitive programming websites like Topcoder where you will find really complex coding problems to challenge your skills. 

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 to any of you.

By the way, if you have trouble solving LeetCode problems then you can also check out Bit Punch’s LeetCode in Python: 50 Algorithms Coding Interview Question course on Udemy. This course goes through hard to easy LeetCode problems and explains to you how to solve them.

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 summaries and articles.

The GeeksForGeeks team also write an article to explain concepts that 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. However, if you find trouble solving GeeksForGeeks coding problems then I also recommend you to first go through Grokking the Coding Interview: Patterns for Coding Questions course on Educative.

10 Websites for Programming Interview Preparation Online -

It will teach you common coding patterns like sliding windows, fast and slow pointer, merge interval, etc which can be applied to many coding problems. These are essential for any programmer and help a lot to solve a new coding problem during the interview.

By the way, Educative is also a great platform for preparing for coding interviews. It has so many good interactive courses like Grokking the System Design Interview, Grokking The object-oriented programming interview, and Dynamic Programming which can help you better prepare for coding interviews.

And if you find those interactive courses useful, consider getting an Educative subscription which costs around $18 per month and provides access to their 100+ software engineering courses including these ones. It’s both cost-effective and the best way to prepare for your coding interviews.

4. HackerRank

Another website is 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.

The good thing about HackerRank is that it’s also used by many companies for technical assessment and remote interviews which means if you have a strong profile on HackerRank you may get matched with a suitable opportunity. 

If that’s not enough, more than 11 million developers use HackerRank to practice coding skills, prepare for interviews, and get hired. You can be one of them too. 

best websites for coding interview prepration

2. Javarevisited 

Disclaimer first, this is my blog. I mostly provide a frequently asked, curated list of programming interview questions on various topics like JavaCodingStringArrayData 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 prepare 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.

10 Great Resources for Programming Job Interview Questions

5. CareerCup

A website where you will find a lot of programming job interview questions from different companies. This site is founded by Gayle Laakmann McDowell, author of Cracking the Coding Interview book and other famous books around Job interviews. This is a great resource for people preparing for technical job interviews. 

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 coding interview questions and if you are in hurry then I strongly suggest you at least check out these 100+ data structure questions and 10 SQL query questions from Programming job interviews before you go for your next coding interviews. 

These are two of the most important topic for any programming job interviews and having gone through them you will have a better understanding of what to expect on technical job interviews.

 

best places for coding interview prepration

8. Spoj 

very tough and with real-time algorithms and only recommend if you have enough time in your hand and you truly want to master your coding skills. 

9. 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.

10. TopCoder

A large number of Practice Problems. Some of them are very tough to solve but you will learn a lot if you attempt those questions. There are also competitions and bounty programs where you can not only learn but also earn by solving technical coding problems. 

This is also one of the most comprehensive resources where you will find competitive programming questions and articles, almost 900 articles, videos, and forum posts. They also have high-quality resources on Data Science, Design, and Development. 

Solving snake and Ladder game, where you will learn how to solve DP-based problems using this real-world example.

You can also use their problem archive to solve many recursion, and the dynamic programming-based problem like PaintBallFreeForAll, PackageSizes, CountTilins to further improve your Dynamic Programming skills. 
By the way, if you struggle to solve Dynamic programming problems then you can also check out this Dynamic Programming course on Udemy which will teach you essential dynamic programming patterns and tips to identify dynamic programming problems. 
best website to practice dynamic programming problems


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 for data structure and algorithms, 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 particularly String and array, and nowadays it’s also got some SQL and database questions and some bash script questions.


Other Programming Resources you may like

Thanks for reading this article so far. If you like these best websites to prepare well for programming job interviews then please share with your friends and colleagues. If you have any questions 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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