内部类---匿名类

package 学习;
abstract class pp{
	public abstract void free();
}
public class EX{
	public static void main(String []args)
	{
		
		EX ex=new EX();
		ex.f(new pp(){
		  public void free(){
			  System.out.println("O(∩_∩)O哈哈~");
		  }
		});
		pp p2=new pp(){
		 public void free(){
			 System.out.println("(*^__^*) 嘻嘻……");
		 }
		};
		p2.free();
	}
	void f(pp p1)
	{
		p1.free();
	}
}