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Advanced Coding Interview Preparation with Java

Software Engineering

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This rigorous learning path enhances your Java programming proficiency from intermediate to advanced level. It is dedicated to refining your knowledge and application of advanced algorithms, complex data structures, and efficient implementation techniques.

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12,997 learners

Enhance your understanding of multidimensional arrays and their traversal techniques. This course will provide you with the expertise to manipulate multidimensional arrays, transpose rows and columns, and iterate over nested elements efficiently.

Course 2

Java HashMaps in Practice: Revision and Application

4 lessons

20 practices

Strengthen your understanding and application of hashmap data structures with a focus on counting and aggregation tasks. This course will deepen your comprehension of efficient data access and manipulation using hashmaps.

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Course 3

Mastering Task Decomposition in Java

4 lessons

12 practices

Learn the art of breaking down complex tasks into manageable sub-tasks. This course will help you develop skills to effectively structure, divide, and implement individual parts of sophisticated coding problems and merge them into a cohesive solution.

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Course 4

Mastering Algorithms: HashMaps, Two Pointers, and Beyond in Java

5 lessons

15 practices

Dive into the key algorithms involving HashMaps, HashSets, and two-pointer techniques. This course will enhance your skills in optimizing data structures and problem-solving methods.

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Course 5

Maximizing Efficiency in Problem-Solving Techniques in Java

5 lessons

15 practices

This comprehensive course covers unique problem-solving approaches and analysis techniques. Topics include optimizing brute force methods, addressing combinatorial problems, and utilizing heaps and sorted lists efficiently.

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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

Advanced Coding Interview Preparation with Java

Trusted by learners working at top companies

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

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