集合框架(LinkedList的特有功能)

package cn.itcast_03;

import java.util.LinkedList;

/*

 * LinkedList的特有功能：

 * A:添加功能

 * public void addFirst(Object e)

 * public void addLast(Object e)

 * B:獲取功能

 * public Object getFirst()

 * public Obejct getLast()

 * C:刪除功能(並返回刪除的那個)

 * public Object removeFirst()

 * public Object removeLast()

 */

public class LinkedListDemo {

public static void main(String[] args) {

// 創建集合對象

LinkedList link = new LinkedList();

// 添加元素

link.add("hello");

link.add("world");

link.add("java");

// public void addFirst(Object e)

// link.addFirst("javaee");

// public void addLast(Object e)

// link.addLast("android");

// public Object getFirst()

// System.out.println("getFirst:" + link.getFirst());

// public Obejct getLast()

// System.out.println("getLast:" + link.getLast());

// public Object removeFirst()

System.out.println("removeFirst:" + link.removeFirst());

// public Object removeLast()

System.out.println("removeLast:" + link.removeLast());

// 輸出對象名

System.out.println("link:" + link);

}

}