Master Hibernate and JPA with Spring Boot in 100 Steps - Step 3: First Code and First Unit Test

The video tutorial demonstrates how to use the MyMath sum method in Java. It begins by creating an instance of MyMath and testing the sum method with three numbers using JUnit. The tutorial explains how to use the assert equals method to verify the sum result and handle errors. It also covers debugging techniques and improving test efficiency by optimizing code. The video emphasizes the importance of continuous testing to catch bugs introduced by code changes.

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