Min Moves - JAVA

package com.company;

import java.util.Scanner;


public class Problem {

    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] array = new int[n];

        for(int i=0; i<n; i++){
            array[i] = sc.nextInt();
        }
        System.out.println(minMoves(array, n));

    }

    public static int minMoves(int[] array, int n){
        int moves = 0;

        for(int i=1 ; i < n; i++){
            if(array[i] < array[i-1]){
                moves += (array[i-1] - array[i]);
                array[i] = array[i-1];
            }
        }

        return moves;
    }

}