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:删除功能
 * 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);
  }
}