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Java Junior Interview Prep. Best Websites With Questions, Videos and Mock Interviews

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Probably, getting their first Junior Developer job was a tough one for the majority of professional programmers. And understandably so, as companies prefer to hire people with real experience, so there are not so many Junior positions on the market and those that are open often get lots of applications. So sometimes it can be difficult to break through. Java Junior Interview Prep. Best Websites With Questions, Videos and Mock Interviews - 1We at CodeGym are doing our best for our students to be prepared and qualified to get their first Java Junior Dev job in no time. The key to success here, unsurprisingly, is passing the technical job interview, which is meant to test the candidate’s Java (as well as programming in general) knowledge and skills. There can be multiple ways to prepare for a technical interview when you’re applying for a position in software development. Learning most frequently asked job interview questions for Java positions and answers to them would certainly help a lot. As well as deepening your knowledge beyond only Java to subjects such as algorithms, data structures, design patterns, computational thinking, and so on. Using online job interview preparation platforms is another great solution that is getting increasingly popular. Here are some of the best developer job interview prep platforms that would help you get your first Junior Java developer job.

Free tech interview prep platforms

1. Pramp

Nice and totally free platform that allows you to practice coding interviews by intelligently matching engineers and programmers from around the world over video chat and other collaboration tools. “We enable Pramp users to share knowledge, learn from one another and prepare for their next coding interview, with astonishing, unprecedented results. Talented developers and engineers, which our platform recognizes as promising candidates, will also receive job interview invites from real companies — our partners,” said Rafi Zikavashvili, the founder of Pramp.

2. CodeSignal

CodeSignal’s platform has multiple features including certified assessment of your coding skills (you can attach the results to job applications), interview practice in a real-world coding environment with real questions from leading tech companies, and language-specific Coding Scores meant to reflect your strengths and show the areas for potential improvement.

3. HackerEarth

HackerEarth allows you to test yourself in live mock interviews, as well as participating in coding competitions and hackathons. This website has a pretty great Java Coding Interview section where you can take a one-and-a-half-hour assessment with three difficulty levels (easy, medium, and hard) available.

4. HackerRank

HackerRank offers a pretty well-crafted and totally free Interview Preparation Kit with hundreds of challenges from various companies organized around core concepts commonly tested during interviews, such as arrays, sorting, graphs, algorithms, etc. If you are stuck, Discussion and Editorial sections are available for hints and solutions.

5. CareerCup

This website is made by Gayle Laakmann McDowell, the author of Cracking the Coding Interview book. It collects all kinds of programming job interview questions from different companies, as well as has lots of unscripted true-to-life interview videos, books, resume tips, and other content focused on preparing for technical interviews.

Paid tech interview prep platforms

1. LeetCode

One of the most popular tech interview platforms with a huge community and over 1650 questions for you to practice. Supports 14 programming languages including Java. Being one of the first coding interviews preparation platforms, today Leetcode offers dozens of different interview prep courses for specific companies, including tech giants such as Google, Microsoft, Facebook, etc. Pricing: $35 per month or $159 per year.


This platform has an original approach to coding interview preparation. Instead of just providing you with questions and answers, it has hours of videos of real job interviews for you to watch. It also allows you to book real mock interviews conducted by interviewers that come from Google, Facebook, Airbnb, Dropbox, AWS, Microsoft, etc. Pricing: the platform offers free mock interviews and premium mock interviews, for which they are charging between $100 and $200, depending on whether the interview is focused on algorithmic or systems design and whether you want an interviewer from a specific company.

3. AlgoExpert

One of the oldest interview prep platforms, which offers users lots of interesting features, including the selection of 100 hand-picked questions that would be most relevant for your specific targeted position. Supports 9 programming languages including Java. Pricing: $79 to 139 per year.

4. Interview Cake

Another well-known platform with all kinds of content for programming job interviews preparation, including articles, tips, and lots of interview questions. Interview Cake offers a number of courses that focus on specific requirements from a number of leading tech companies, as well as advice and guidance on how to act on the interview in order to pass it. Pricing: $149 to 249 per course.
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