用计数器显示清单内容

/**
时 代 J a v a 公 众 号 - nowjava.com
**/

import java.util.ArrayList;


public class Main

{

   public static void main(String[] args)

   {

      // create a new ArrayList of Strings with an initial capacity of 10

      ArrayList<String> items = new ArrayList<String>(); 


      items.add("red"); // append an item to the list          

      items.add(0, "yellow"); // insert "yellow" at index 0


      // header

      System.out.println("Display list contents with counter-controlled loop:"); 


      // display the colors in the list

      for (int i = 0; i < items.size(); i++)

         System.out.printf(" %s", items.get(i));


   } /* 来 自 时代Java - N o w  J a v a . c o m*/


   // display the ArrayList's elements on the console

   public static void display(ArrayList<String> items, String header)

   {

      System.out.print(header);