Packages 
PackageDescription
org.hamcrest
The stable API defining Matcher and its associated interfaces and classes.
org.hamcrest.core
Fundamental matchers of objects and values, and composite matchers.
org.hamcrest.internal 
org.junit
Provides JUnit core classes and annotations.
org.junit.experimental 
org.junit.experimental.categories 
org.junit.experimental.max 
org.junit.experimental.results 
org.junit.experimental.runners 
org.junit.experimental.theories 
org.junit.experimental.theories.internal 
org.junit.experimental.theories.suppliers 
org.junit.internal 
org.junit.matchers
Provides useful additional Matchers for use with the Assert.assertThat(Object, org.hamcrest.Matcher) statement
org.junit.rules 
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.
org.junit.runners.model 
org.junit.runners.parameterized 
org.junit.validator