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:获取功能
* public Object getFirst()
* public Obejct getLast()
* C:删除功能(并返回删除的那个)
* public Object removeFirst()
* public Object removeLast()
*/
public class LinkedListDemo {
public static void main(String[] args) {
// 创建集合对象
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());

// 输出对象名
System.out.println("link:" + link);
}
}