Question

Ask the user to enter test scores. Once they have entered -1, print out the highest grade. Ensure that the grade entered is an integer.(Using Java Language)

Enter integers between 0 and 100, -1 when finished.

Enter a test score: [asdf]

Enter an integer.

Enter a test score: [32.5]

Enter an integer.

Enter a test score: [42]

Enter a test score: [99]

Enter a test score: [87]

Enter a test score: [x]

Enter an integer.

Enter a test score: [-1]

The max grade is: 99

Answer 1

import java.util.Scanner;

public class MaximumGrade {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int score, maxScore = Integer.MIN_VALUE;
        while (true) {
            System.out.print("Enter a test score: ");
            try {
                score = in.nextInt();
                if (score > maxScore)
                    maxScore = score;
                if (score == -1)
                    break;
            } catch (Exception e) {
                in.nextLine();
                System.out.println("Enter an integer.");
            }
        }
        System.out.println("The max grade is: " + maxScore);
    }
}