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 ...

In the post Improving On assertEquals with JUnit and Hamcrest, I briefly discussed Hamcrest “core” matchers being “baked in” with modern versions of JUnit. In that post, I focused particularly on use ...

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 ...