addandremove.java

编程之道--java程序设计入门源代码

/**
 *　通过这个程序，测试元素的添加与删除
 */
 
import java.util.LinkedList;
import java.util.Iterator;

public class AddAndRemove
{
	public static void main(String[] args)
	{
		AddAndRemove test = new AddAndRemove();
		test.addAndRemove();
	}

	public void addAndRemove()
	{
		LinkedList list = new LinkedList();
		list.add("Tom");
		list.add("John");
		list.add("Smith");
		Iterator iterator = list.iterator();
		System.out.println("the elements in the collection are:");
		
		while(iterator.hasNext())
		{
			System.out.println(iterator.next());
		}
		
		iterator.remove();
		System.out.println("after deleter one element,the elements in the collection are:");
		
		for(int i = 0; i < list.size(); i++)
		{
			System.out.println(iterator.next());
		}
	}
}