Dunit 7 DUnit is an open-source unit test framework based on the JUnit test framework.

本软件为Java语言开发的计算器，已经老师检查，成绩为优秀。（含两个计算器代码及一个Junit测试代码）-The software for the Java language development calculator teacher has checked for outstanding achievement.(Code contains two calculators and a Junit test code)