garbage.java

Java 程序设计源码 只提供了部分

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