intermediate

Four-Week Coding Interview Prep in Java

Software Engineering

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Enhance your coding interview skills with this Java course path. Start with foundational exercises, tackle classic coding questions, and master complex algorithms. Learn string manipulation, list operations, recursion, linked lists, dynamic programming, and graph algorithms to excel in interviews.

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2,223 learners

Start your coding interview preparation with easy-level Java problems. This course will help you build a solid foundation by solving common problems like reversing a string, finding the maximum number in a list, and checking for prime numbers. These exercises will enhance your problem-solving skills and boost your confidence for the coding interviews.

Course 2

Interview Practice with Classic Coding Questions in Java

5 lessons

23 practices

This course focuses on classic coding questions commonly asked in technical interviews. You will practice implementing algorithms for problems such as searching in a matrix, rotating an array, and finding the longest common prefix. Master these algorithms to strengthen your coding skills and excel in technical interviews.

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Course 3

Getting Deep into Complex Algorithms for Interviews with Java

5 lessons

25 practices

In this course, you'll delve deeply into algorithms and data structures, which are key topics in technical interviews. You'll tackle problems involving linked lists, binary trees, dynamic programming, and graph algorithms. Understanding these advanced topics will equip you with the tools needed to solve complex problems efficiently.

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Course 4

Interview Prep - The Last Mile in Java

5 lessons

25 practices

This course focuses on advanced and popular topics that are commonly encountered in technical interviews. You'll delve into hash tables, heaps, advanced graph algorithms, string searching algorithms, and bit manipulation techniques. Mastering these areas will provide you with a comprehensive skill set to tackle even the toughest coding interview questions.

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

Four-Week Coding Interview Prep in Java

Trusted by learners working at top companies

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

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