17-2:LinkedList的简单应用

package cn.itcast.p2.linkedlist.demo;import java.util.Iterator;import java.util.LinkedList;public class LinkedListDemo {/** * @param args */public static void main(String[] args) {LinkedList link = new LinkedList();link.addFirst("abc1");link.addFirst("abc2");link.addFirst("abc3");link.addFirst("abc4");//System.out.println(link);//System.out.println(link.getFirst());//获取第一个但不删除。//System.out.println(link.getFirst());//System.out.println(link.removeFirst());//获取元素但是会删除。//System.out.println(link.removeFirst());while(!link.isEmpty()){System.out.println(link.removeLast());}System.out.println(link);//Iterator it = link.iterator();//while(it.hasNext()){//System.out.println(it.next());//}}}