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

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.

Java

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5 lessons

15 practices

Less than 4 hours

General Programming and Algorithms

Course details

Complexity Analysis and Optimization in Java

Preview

Summing Points Between Two Towns in Integerland

Finding the Smallest Absolute Difference in an Integer List

Optimized Array Replacement

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

Course details

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

From our community

From our community

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

Course details

Unit 13 practices39 min

Unit 23 practices39 min

Unit 33 practices39 min

Unit 43 practices39 min

Unit 53 practices39 min

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

From our community

From our community