删除LinkedList的第一个和最后一个元素

import java.util.LinkedList;
/* 
 来自 
*时代Java - N o w  J a v a . c o m*/

 

public class Main {

  public static void main(String[] args) {

    LinkedList lList = new LinkedList();

    lList.add("1");

    lList.add("2");

    lList.add("3");

    lList.add("4");

    lList.add("5");

   

    System.out.println("LinkedList contains : " + lList);

   

    Object object = lList.removeFirst();

    System.out.println(object + " has been removed from the first index of LinkedList");

    System.out.println("LinkedList now contains : " + lList);

   

    object = lList.removeLast();

    System.out.println(object +