/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package x;

/**
 *
 * @author Arthur
 */
public class FinalizeEscapeGc {

    private int count = 0;
    private static FinalizeEscapeGc fec = new FinalizeEscapeGc();

    public FinalizeEscapeGc() {
    }

    public static void main(String[] args) throws InterruptedException {

        //对象第一次成功拯救自己
        fec = null;
        System.gc();
        ////显然输出为null
        System.out.println(fec);
        //因为finalize优先级很低，暂停一秒，以等待它
        Thread.sleep(1000);
        //打印x.FinalizeEscapeGc@c17164，说明成功拯救
        System.out.println(fec);
    
       
        //第二次次拯救失败
        fec = null;
        //显然输出为null
        System.out.println(fec);
      
        System.gc();
        //因为finalize优先级很低，暂停一秒，以等待它
        Thread.sleep(1000);
        //输出为null
        System.out.println(fec);
       

    }

    @Override
    public void finalize() throws Throwable {
        super.finalize();
        System.out.println("执行finalize方法");
        fec = this;

    }

    public int getCount() {
        return count;
    }
}