Hamcrest is based on the concept of a matcher, which can be a very natural way of asserting whether or not the result of a test is in a desired state. If you have not used Hamcrest, examples in this ...

Learn how to write and validate unit tests with JUnit 5. This article shows you how to configure a Maven project for JUnit, write basic and parameterized unit tests, and use JUnit 5’s built-in ...

JUnit, a simple testing framework created by Kent Beck and Erich Gamma during a long airplane trip a few years ago, ushered in a new era of developer testing. A cottage industry grew up around "*Unit" ...

Why, of course, by virtually starting up the Java class and pushing the buttons, so to speak. You test a Java class by calling methods on it from another Java class. The following Java source file is ...