LinkedList.java

package com.coding.basic;

public class LinkedList implements List {
	
	private Node head;//指针
	private Object element;//元素
	//添加一个元素
	public void add(Object o){
		
	}
	//在index处添加一个元素
	public void add(int index , Object o){
		
	}
	
	public Object get(int index){
		return null;
	}
	//清除一个元素
	public Object remove(int index){
		return null;
	}
	
	public int size(){
		return -1;
	}
	
	public void addFirst(Object o){
		
	}
	public void addLast(Object o){
		
	}
	public Object removeFirst(){
		return null;
	}
	public Object removeLast(){
		return null;
	}
	public Iterator iterator(){
		return null;
	}
	
	private static  class Node{
		Object data;//元素
		Node next;//指针
	}
}