package Object;

import org.testng.annotations.Test;

/**

* @projectName: javaStudy

* @className: TestObject

* @author: WenYichong

* @date: 2019/9/1-12:18

* @description: 连我自己都不知道在写什么......

*/

public class TestObject {

class MyClass{

public MyClass(String s) {

this.s = s;

}

protected String s;

}

@Test

public void test1(){

String a=new String("abc"); String b=new String("abc");

System.out.println(a==b);

String a1=new String("asd");

String b1=a1;

System.out.println(a1==b1);

Integer n=new Integer(9);

change(n);

System.out.println(n);

MyClass myClass=new MyClass("ww");

change2(myClass);

System.out.println(myClass.s);

}

void change(Integer s){

s=90;

}

void change2(MyClass s){

s.s="ssss";

}

}