java-从小到大依次输入三个整数，用if-else

import java.util.Scanner; class IfTest2{ public static void main(String[] args){ Scanner scan = new Scanner(System.in); System.out.println("请依次输入三个整数num1,num2,num3:"); int num1 = scan.nextInt(); int num2 = scan.nextInt(); int num3 = scan.nextInt(); int temp; if(num1 < num2) { if(num3 > num2) System.out.println(num1 + "," + num2 + "," + num3); else if(num3 <= num1) System.out.println(num3 + "," + num1 + "," + num2); else System.out.println(num1 + "," + num3 + "," + num2); } else if(num1 >= num2) { if(num3 >= num1) System.out.println(num2 + "," + num1 + "," + num3); else if(num3 < num2) System.out.println(num3 + "," + num2 + "," + num1); else System.out.println(num2 + "," + num3 + "," + num1); } } }