打印begin~end

要求：

　　输入：begin和end

　　输出：依次打印出begin到end

　　

 import java.util.Scanner;
 //递归打印begin —— end
 public class demo1 {

     public static void f(int begin,int end){
         if(end-1>=begin){
             f(begin,end-1);
         }
         System.out.print (end+" ");
     }
     public static void main(String[] args) {
         Scanner sc = new Scanner(System.in);
         int begin = sc.nextInt();
         int end = sc.nextInt();
         f(begin,end);
     }

 }