public void addFirst(Object e); public void addLast(Object e);

public Object getFirst();public Object getLast();

public Object removeFirst(); public Object removeLast(); 

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:特有功能 * public Object getFirst(); * public Object getLast(); * * C:刪除功能 * public Object removeFirst(); * public Object removeLast(); * */ public class IntegerDemo {  public static void main(String[] args) {    // TODO Auto-generated method stub     LinkedList link = new LinkedList();     link.add("hello");    link.add("world");    link.add("java");     link.addFirst("javaee");    link.addLast("android");     System.out.println("link:" + link);  }}