JUnit is a unit-testing framework for testing the application. JUnit stands for JAVA Unit. So, the test script is created using JAVA language. It follows a test a little-code a little approach. It provides the facility of annotations for its framework and using those annotations the methods are executed in the defined order. It is an open source framework.
This tutorial will be helpful for those software professionals who are beginner of the automation testing and want to evolve the base of software testing. The Unit testing provides base level of testing. Using test a little code a little approach the framework increases the stability of code for developers ad there by improves the quality of software.