JVM笔记
2020-02-15 本文已影响0人
榷奕
1. String
String a = "1";
String b = "1";
a==b //true
String a = new String("1");
String b = "1";
a == b //false
String a = "1";
String b = "1";
a==b //true
String a = new String("1");
String b = "1";
a == b //false