Software Engineering

836 learners

Mastering Complex Data Structures in Java

In this course you will expand your knowledge of Java's more advanced features, including comprehensive data structures like maps, sets, and arrays, as well as nesting these data structures together, which are crucial for managing more complex data efficiently.

Java

See path

5 lessons

25 practices

3 hours

Computer Science Fundamentals

Course details

Understanding and Using Arrays in Java

Preview

Array Manipulator: Appending Elements in Java

Unpacking Nested Arrays in Java

Array Subset Extraction in Java

Finding Maximum and Minimum String Lengths in an Array

Combine and Repeat Arrays

Previous Course Next Course: Applying Advanced Data Structures in Practice

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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

Mastering Complex Data Structures in Java

Course details

Unit 15 practices38 min

Unit 25 practices38 min

Unit 35 practices38 min

Unit 45 practices38 min

Unit 55 practices38 min

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

From our community

From our community