Assignment Demo: Two Sum Algorithm in Java with JUnit 5 Unit Testing

This video presents the solution to the Two Sum algorithm problem from LeetCode, implemented in Java with unit testing using JUnit 5.

The video explains the problem statement, the reasoning behind the optimized solution, and how a HashMap-based approach improves the time complexity from a brute force O(n²) approach to an O(n) solution.

It also demonstrates the Java implementation and walks through the unit tests that validate the correctness of the algorithm, including handling edge cases and exception scenarios.

Topics covered in this video:
• Problem explanation (Two Sum)
• Brute force vs optimized approach
• HashMap-based algorithm
• Java implementation walkthrough
• Edge case handling
• JUnit 5 unit tests for full code coverage

This work was completed as part of the coursework for INFO 6255.

Technologies used:

Java
JUnit 5
Maven

The implementation focuses on writing clean, portable code and comprehensive unit tests to ensure correctness and reliability across different scenarios.

Видео Assignment Demo: Two Sum Algorithm in Java with JUnit 5 Unit Testing канала Atharva Waranashiwar