JUnit

JUnit is the most popular testing framework, built for Java, and is open source. It has almost all the features and modules necessary to test a Java-based application in a test-driven development environment. JUnit mainly focuses on writing tests that are automated for a certain class or function. It helps to call a function and check for the expected output. Before seeing some examples of JUnit in use, let's learn about its advantages.

Advantages of JUnit

JUnit is widely used for testing Java applications because of its user-friendly functionalities. It has some powerful advantages, such as the following:

• The JUnit framework is open source
• It provides text-based command lines as well as AWT-based and Swing-based...