题解 | 最大最小值

import java.util.Arrays;
import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int[] arr = new int[3];
        for(int i = 0; i < 3; i ++){
            arr[i] = in.nextInt();
        }
        Arrays.sort(arr);
        System.out.print("The maximum number is : " + arr[2]);
        System.out.println();
        System.out.print("The minimum number is : " + arr[0]);
    }
}