Maximum profit after buying and selling a stock

 import java.util.*;

public class MaxProfitAfterBuyingAndSellingStocks {

    public static void findMaxProfit(int arr[], int n, int TranFee) {

        int minPrice = arr[0];

        int buyDay = 0, sellDay = 0;

        int TotalProfit = 0;

        int dayDiff = 0;

        for (int i = 1; i < n; i++) {

            if (arr[i] < minPrice) {

                minPrice = arr[i];

                buyDay = i;

            }

            int profit = arr[i] - minPrice - TranFee;

            if (profit > 0) {

                sellDay = i;

                TotalProfit += profit;

                minPrice = arr[i] - TranFee;

                dayDiff = sellDay - buyDay;

            }

        }

        System.out.println("The MAX profit:" + TotalProfit);

        System.out.println("The day difference:" + dayDiff);

    }

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        System.out.println("Enter n:");

        int n = sc.nextInt();

        System.out.println("Enter array:");

        int arr[] = new int[n];

        for (int i = 0; i < n; i++) {

            arr[i] = sc.nextInt();

        }

        System.out.println("Enter fee:");

        int TranFee = sc.nextInt();

        findMaxProfit(arr, n, TranFee);

    }

}