软件工程

开发平台：

Java

Leaf.java：源码内容

							package com.company.section5;
import java.util.ArrayList;
/**
 * @author cbf4Life cbf4life@126.com
 * I'm glad to share my knowledge with you all.
 */
public class Leaf extends Component {	
	@Deprecated
	public void add(Component component) throws UnsupportedOperationException{
		//空实现,直接抛弃一个“不支持请求”异常
		throw new UnsupportedOperationException();
	}
	
	@Deprecated
	public void remove(Component component)throws UnsupportedOperationException{
		//空实现
		throw new UnsupportedOperationException();
	}
	
	@Deprecated
	public ArrayList<Component> getChildren()throws UnsupportedOperationException{
		//空实现
		throw new UnsupportedOperationException();		
	}
}

						