从小到大输出三个数 练习

import java.util.*;
public class Min_To_Max {
    static int a,b,c,d;

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println("将从小到大输出三个数");
        System.out.println("请输入第一个数：");
        Scanner sc1=new Scanner(System.in);
        a=sc1.nextInt();
        System.out.println("请输入第二个数：");
        Scanner sc2=new Scanner(System.in);
        b=sc2.nextInt();
        System.out.println("请输入第三个数：");
        Scanner sc3=new Scanner(System.in);
        c=sc3.nextInt();
        if(a>b){d=a;a=b;b=d;}
        if (b >c){d=b;b=c;c=d;}
        if(a>b){d=a;a=b;b=d;
        }
        System.out.println("结果为"+a+","+b+","+c);}
        }