==equals解释a b true true a cfalse true a e true true a gtrue true f gfalse true
String a = "hello2";String b = "hello2";String c = new String("hello2");final String d = "hello";final String e = "hello2";String f = "hello";String g = d + 2;String h = f + 2;
转载于:https://www.cnblogs.com/R4mble/p/9505844.html