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[Java] 751彩票店 →→→→→进入此内容的聊天室

来自 , 2019-08-30, 写在 Java, 查看 162 次.
URL http://www.code666.cn/view/cd14821d
  1. public class FinalizationDemo {  
  2.   public static void main(String[] args) {  
  3.     Cake c1 = new Cake(1);  
  4.     Cake c2 = new Cake(2);  
  5.     Cake c3 = new Cake(3);  
  6.      
  7.     c2 = c3 = null;  
  8.     System.gc(); //调用Java垃圾收集器
  9.   }  
  10. }  
  11.  
  12. class Cake extends Object {  
  13.   private int id;  
  14.   public Cake(int id) {  
  15.     this.id = id;  
  16.     System.out.println("Cake Object " + id + "is created");  
  17.   }  
  18.    
  19.   protected void finalize() throws java.lang.Throwable {  
  20.     super.finalize();  
  21.     System.out.println("Cake Object " + id + "is disposed");  
  22.   }  
  23. }

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