buffi

public class Test {		public static void main(String[] args) {		new Test();	}		public Test() {		Badboll a;		a=new Badboll(2);		addone(a);		System.out.println(a.x);	}	void addone(Badboll b) {		b.x++;	}		private class Badboll {		public int x;		public Badboll(int n) {			x=n;		}			}}