file.java

来自「学习算法写的经典算法程序」· Java 代码 · 共 15 行

class file{
    static int count=1;        
	public void finalize( ){
                System.out.println(count+ " file have been killed!");
                count++;}
            public static void main(String[] args ){
                 new  file();
                 new  file();
                 new  file();
                 new  file();
               
                 System.gc(); //强迫执行垃圾回收器，作用于所有对象上 
                 System.out.println("The program is ending!");}
       }