garbage.java

来自「孙鑫JAVA从入门到精通配套练习程序。所有程序都实际运行过」· Java 代码 · 共 26 行

class Garbage
{
	int index;
	static int count;
	
	Garbage()
	{
		count++;
		System.out.println("object " + count + " construct");
		index = count; 
	}
	
	protected  void finalize() 
	{
		System.out.println("object " + index + " reclaimed");
	}
	
	public static void main(String[] args)
	{
		new Garbage();
		new Garbage();
		new Garbage();
		new Garbage();
		System.gc();
	}
}