How do I run JUnit tests from inside my java application?

Question

Is it possible to run JUnit tests from inside my java application?

Are there test frameworks I can use (such as JUnit.jar?), or am I force to find the test files, in

Answer 1

Result result = JUnitCore.runClasses(classes);

See http://junit.sourceforge.net/javadoc/org/junit/runner/JUnitCore.html#runClasses(java.lang.Class...)