JUnit帮助你学习单元测试,更助你在测试java源码时,知道隐藏的bug,找出所有潜在的bug,对代码健壮性有非常大的帮助-JUnit unit test to help you learn more to help you test the java source code, knowing the hidden bug, identify all potential bug, the robustness of the code has a very big help