private static final String MESSAGE = "taobao";
static void run(){
String a = "taobao";
String b = "tao";
String c = "bao";
System.out.println(a == MESSAGE);
System.out.println((b+c) == MESSAGE);//为什么这个是false?
}
求大牛们指点
static void run(){
String a = "taobao";
String b = "tao";
String c = "bao";
System.out.println(a == MESSAGE);
System.out.println((b+c) == MESSAGE);//为什么这个是false?
}
求大牛们指点
解决方案 »
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