题解 | #小乐乐找最大数#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int[] arr = new int[4];
        for(int i = 0; i < arr.length; i++) {
            arr[i] = scanner.nextInt();
        }
        int max = arr[0];
        for(int i = 1; i < arr.length; i++) {
            if(max < arr[i]) {
                max = arr[i];
            }
        }
        System.out.println(max);
    }
}