Java 集合 LinkedList特定索引处添加元素

import java.util.LinkedList;
import java.util.Iterator;
public class AddElement {

 public static void main(String[] args) {

    // Create a LinkedList
    LinkedList<String> linkedlist = new LinkedList<String>();

    // Add elements to LinkedList
    linkedlist.add("Delhi");
    linkedlist.add("Agra");
    linkedlist.add("Mysore");
    linkedlist.add("Chennai");
    linkedlist.add("Pune");

    // Adding new Element at 5th Position 
    linkedlist.add(4, "NEW ELEMENT");

    // Iterating the list in forward direction
    System.out.println("LinkedList elements After Addition:");
    Iterator it= linkedlist.iterator();
    while(it.hasNext()){
       System.out.println(it.next());
    }
 }
}

LinkedList elements After Addition:
Delhi
Agra
Mysore
Chennai
NEW ELEMENT
Pune