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);
    }

}