void assertEquals ( [String message], expected value, actual value) ：断言两个值相等，值的类型可以为int、short、long、byte、char 或者 java.lang.Object，其中第一个参数是一个可选的字符串消息； void assertTrue ( [String message], boolean ...

Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs. In this tutorial, you will learn how to write expressions ...