日期:2014-05-19 浏览次数:21145 次
package com.thinkinjava.chapter8;
public class ReferenceCounting {
public static void main(String[] args) {
Shared s1=new Shared();
s1.dispose();
}
}
class Shared{
private int refcount=0;
private static long counter=0;
private final long id=counter++;
public Shared(){
System.out.println("Createing "+this);
}
}