在条件中测试输入

/** 
 来自 NowJava.com - 时代Java**/

import java.util.Scanner;


public class Main

{

  static Scanner sc = new Scanner(System.in);


  public static void main(String[] args)

  {

    int number = 2;

    String input = "Y";


    while (input.equalsIgnoreCase("Y"))

    {//from 时 代 J a v a 公 众 号 - N o w J a v  a . c o m

      System.out.println(number + " ");

      System.out.print("Do you want keep counting?" +