class a(){ private String aa=null; public void setAa(String aa){ this.aa=aa; } public String getAa(){ return this.aa; } } class b(){ String aa="sdkfsd"; a bb=new a(); bb.setAa(aa); }
这个就可以改变 public class puke{ public static void main(String args[]) { A a = new A(1); System.out.println(a.getC()); B b = new B(); b.setA(a); System.out.println(a.getC()); } }class A{ private int c ; public A(int c){ this.c = c; } public A(){ } public void setC(int c){ this.c = c; } public int getC(){ return this.c; } }class B{ public void setA(A a){ a.setC(0); } }
private String aa=null;
public void setAa(String aa){
this.aa=aa;
}
public String getAa(){
return this.aa;
}
}
class b(){
String aa="sdkfsd";
a bb=new a();
bb.setAa(aa);
}
public class puke{
public static void main(String args[]) {
A a = new A(1);
System.out.println(a.getC());
B b = new B();
b.setA(a);
System.out.println(a.getC());
}
}class A{ private int c ;
public A(int c){
this.c = c;
} public A(){
} public void setC(int c){
this.c = c;
}
public int getC(){
return this.c;
}
}class B{
public void setA(A a){
a.setC(0);
}
}