java JUnit,TestCase,TeseSuit,合成模式(安全/透明),对象间的关系(依赖，关联，聚合，组合)

JUnit,TestCase,TeseSuit:

https://www.tutorialspoint.com/junit/junit_suite_test.htm

https://www.jianshu.com/p/c9a267d691e2

https://blog.csdn.net/lan12334321234/article/details/70048751

合成模式(安全/透明):

https://blog.csdn.net/zhuyu714997369/article/details/51983871

对象间的关系(依赖，关联，聚合，组合):

https://blog.csdn.net/zhuyu714997369/article/details/51983871