java判断三个数字的大小（判断a,b,c按顺序从大到小，从小到大输出）

package work;

import java.util.Scanner;//导包，获取键盘输入
/**
* 键盘输入A、B、C三个值，按从大到小顺序输出。
*  蚂蚁	2017/11/29
**/
public class Demo01 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("输入数字a");
int a = sc.nextInt();
System.out.println("输入数字b");
int b = sc.nextInt();
System.out.println("输入数字c");
int c = sc.nextInt();
if (c < a && c < b && b < a) {// 通过比较c<a c<b b<a
System.out.println("老大a:" + a+"\n老二b:" + b+"\n老三c:" + c);
} else if (c < a && b < c && b < a) {
System.out.println("老大a:" + a+"\n老二c:" + c+"\n老三b:" + b);
} else if (c < a && c < b && a < b) {
System.out.println("老大b:" + b+"\n老二a:" + a+"\n老三c:" + c);
} else if (a < c && a < b && c < b) {
System.out.println("老大b:" + b+"\n老二c:" + c+"\n老三a:" + a);
} else if (a < b && a < c && b < c) {
System.out.println("老大c:" + c+"\n老二b:" + b+"\n老三a:" + a);
} else if (b < a && b < c && a < c) {
System.out.println("老大c:" + c+"\n老二a:" + a+"\n老三b:" + b);
}
}
}