不管Java参数类型是什么,一律传递参数的副本. <Thinking In Java>:“When you're passing primitives into a method,you get a distinct copy of the primitive.When you're passing a reference into a method,you get a copy of the reference.(如果Java是传值,那么传递的是值的副本:如果Java是传引用,那么传递的是引
reference:http://examples.javacodegeeks.com/core-java/lang/string/java-string-class-example/ 1. Introduction In this example we are going to discuss about the basic characteristics of Java String Class. String is probably one of the most used types i
Java String.contains()方法 Java String.contains()方法用法实例教程, 返回true,当且仅当此字符串包含指定的char值序列 描述 java.lang.String.contains() 方法返回true,当且仅当此字符串包含指定的char值序列 声明 以下是声明java.lang.String.contains()方法 public boolean contains(CharSequence s) 参数 s -- This is the sequen