JUnit is a unit testing framework for Java programming language. It plays a crucial role test-driven development, and is a family of unit testing frameworks collectively known as xUnit.

Let us now have a basic example to demonstrate the step-by-step process of using JUnit.

What is JUnit ? JUnit is a unit testing framework for Java programming language. It plays a crucial role test-driven development, and is a family of unit testing frameworks collectively known as xUnit.

Features of JUnit JUnit is an open source framework, which is used for writing and running tests. Provides annotations to identify test methods. Provides assertions for testing expected results. …

Next, create a java class file named TestRunner.java in C:\>JUNIT_WORKSPACE to execute annotations.

Create Test Case Class Create a java test class, say, TestJunit.java. Add a test method testPrintMessage () or testSalutationMessage () to your test class. Add an Annotaion @Ignore to …

In JUnit, both @RunWith and @Suite annotations are used to run the suite tests. This chapter takes an example having two test classes, TestJunit1 & TestJunit2, that run together using Test Suite.

The test cases are executed using JUnitCore class. JUnitCore is a facade for running tests. It supports running JUnit 4 tests, JUnit 3.8.x tests, and mixtures. To run tests from the command line, run java …

JUnit is a framework for Java, so the very first requirement is to have JDK installed in your machine.

Following table compares JUnit vs TestNG on different features. The table excludes very specific or common features that are present in both these frameworks, such as testing exceptions, timeout …