object
equals
1 package LS_11;
2
3 public class TestObject {
4 public static void main(String[] args) {
5 Object object = new Object();
6 Object object2 = new Object();
7 System.out.println(object);
8 //equals比较还是==
9 System.out.println(object.equals(object2));
10
11 TestObject obj = new TestObject();
12 TestObject obj2 = new TestObject();
13 System.out.println(obj == obj2);
14 System.out.println(obj.equals(obj2));
15 //直接打印对象默认会调用toString()方法
16 System.out.println(obj);
17 System.out.println(obj.toString());
18
19 //输出哈希值
20 System.out.println(obj.hashCode());
21 }
22 }
关于equals