hashCode()方法

package cn.hp.demo05;



/*
* hashCode()方法
* */
public class Demo02 {

    public static void main(String[] args) {
        Dog dog = new Dog("大黑");
        System.out.println("dog.hashCode()="+dog.hashCode());
        System.out.println("dog对象在对内存的首地址="+dog.toString());
        System.out.println("dog对象的类名="+dog.getClass().getName());
        System.out.println("dog.hashCode()="+dog.hashCode());
        System.out.println("dog对象的哈希码的十六进制="+Integer.toHexString(dog.hashCode()));



        String s1 = new String("abc");
        System.out.println("s1="+s1.toString());
        System.out.println("dog=" +dog.toString());

        System.out.println(new Object().toString());
    }
}

class Dog{
    private String name;

    public Dog() {
    }

    public Dog(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}