Java练习：用IF（）进行数字排序

import java.util.Scanner;

/**

• Created by Administrator on 2018/4/19 0019. / / *Compare.java

• 比较输入值得大小并输出

• v.1 */ public class Compare { public static void main(String[] args){ Scanner input=new Scanner(System.in); int num1,num2,num3,a,b,c; System.out.println("请输入a,b,c的值：");

    System.out.println("a：");  //先输入三个数字并储存
    num1=input.nextInt();
    System.out.println("b：");
    num2=input.nextInt();
    System.out.println("c：");
    num3=input.nextInt();
  
  
  
    if(num1>=num2){                 //数字比较并排序
        if(num3>=num1){
            c=num3;b=num1;a=num2;
        }else if(num3>=num2){
            c=num1;b=num3;a=num2;
        }else{
            c=num1;b=num2;a=num3;
        }
    } else{
        if(num3>=num2){
            c=num3;b=num2;a=num1;
        }else if(num3>=num1){
            c=num2;b=num3;a=num1;
        }else{
            c=num2;b=num1;a=num3;
        }
    }
  
    System.out.println("比较后a,b,c从小到大是：a="+a+",b="+b+",c="+c); //输出排序后的数字
  

  } }