package BOOP.B8Clone;

/**

* @author supremepole

*/

class Obj{

private String str="default value";

public void setStr(String str){

this.str=str;

}

public String toString(){

return str;

}

}

public class TestRef {

private Obj obj=new Obj();

private int number=0;

public Obj getObj(){

return obj;

}

public int getNumber(){

return number;

}

public void changeObj(Obj obj1){

obj1.setStr("change value");

}

public void changeNumber(int number1){

number1=1;

}

public static void main(String[] args){

TestRef testRef=new TestRef();

System.out.println("调用changeObj()前："+testRef.getObj());

testRef.changeObj(testRef.getObj());

System.out.println("调用changeObj()后："+testRef.getObj());

System.out.println("调用changeNumber()前："+testRef.getNumber());

testRef.changeNumber(testRef.getNumber());

System.out.println("调用changeNumber()后："+testRef.getNumber());

}

}