Packages
org.hamcrest.core Fundamental matchers of objects and values, and composite matchers.
org.junit Provides JUnit core classes and annotations.
org.junit.matchers  
org.junit.runner Provides classes used to describe, collect, run and analyze multiple tests.
org.junit.runner.manipulation Provides classes to filter or sort tests.
org.junit.runner.notification Provides information about a test run.
org.junit.runners Provides standard Runner implementations.