this表示当前对象,所谓当前对象,就是调用类中属性或方法的那个对象。
/** * Created by xabcd on 2019/2/16. */ public class total_this { class total{ private String name; private int age; public void total(String name,int age) { this.name = name; this.age = age; } public String talk() { return "我是:"+this.name+"今年"+this.age+"岁"; } } public static void main(String args[]) { total t = new total("张三", 33); System.out.println(t.talk()); } }