TestScoreAppCSE

import java.util.Scanner;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.NumberFormat;

public class TestScoreApp
{
    public static void main(String[] args)
    {
        // display operational messages
        System.out.println("Please enter test scores that range from 0 to 100.");
        System.out.println("To end the program enter 999.");
        System.out.println();  // print a blank line

        // initialize tally variables and create a Scanner object
        int scoreTotal = 0;
        int scoreCount = 0;
        int testScore = 0;
        Scanner sc = new Scanner(System.in);
        //initialize minimumScore and maximumScore integers
        int minimumScore = 100;
        int maximumScore = 0;

        // get a series of test scores from the user
        while (testScore != 999)
        {
            // get the input from the user
            System.out.print("Enter score: ");
            testScore = sc.nextInt();

            // accumulate score count and score total
            if (testScore <= 100)
            {
                scoreCount += 1;
                scoreTotal += testScore;
               //accumulate the minimum and maximum scores
                minimumScore = Math.min(testScore,minimumScore);
                maximumScore = Math.max(testScore,maximumScore);
            }
            else if (testScore != 999)
                System.out.println("Invalid entry, not counted");
        }
        // calculate the average score and display the results

        BigDecimal scoreTotalBD = new BigDecimal(scoreTotal);
        BigDecimal scoreCountBD = new BigDecimal(scoreCount);
        BigDecimal averageScoreBD = scoreTotalBD.divide( scoreCountBD,1,  RoundingMode.HALF_UP);

        //create an instance of NumberFormat so you can use its static methods.
        //NumberFormat nf = NumberFormat.getInstance();
        //nf.setMaximumFractionDigits(1);
        // display the results
        String message = "\n" +
                         "Score count:   " + scoreCount + "\n"
                       + "Score total:   " + scoreTotal + "\n"
                       //+ "Average score: " + nf.format(averageScore) + "\n"
                       + "AverageScore:   " + averageScoreBD + "\n"
                       + "Minimum Value: " + minimumScore + "\n"
                       + "Maximum Value: " + maximumScore + "\n";
        System.out.println(message);
        sc.close();
    }
}