Java、ArrayList的最大元素

package pack1;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class MaxElememt {
    public static void main(String[] args) {
        try(Scanner input = new Scanner(System.in);) {
            ArrayList<Integer> list = new ArrayList<>();

            System.out.print("Enter numbers, ends by 0: ");
            int number;
            do {
                number = input.nextInt();
                if(number != 0) list.add(number);
            }while (number != 0);

            System.out.println("The max element entered is " + max(list));
        }
    }

    /**返回数组列表的最大值*/
    public static Integer max(ArrayList<Integer> list) {
        Collections.sort(list);
        return list.get(list.size() - 1);
    }
}