Question

Create a java project with the name Assignment3YourLastName in the folder COMP3110AssignmentsYourLastName

Part-1 (use a nested-if-else statement)

Add a static method with the name gradeLetter. This method will ask the user to enter an integer score and display the grade letter based on the rules:

Score range	Grade letter
90—100	A
80—89	B
70—79	C
60—69	D
0—59	F

Part-2 (use a while statement)

Add a static method with the name CalculateGrade. This method will ask the user to enter 8 scores and product the output as below:

Assignment-3 Part-2:

Enter score 1:  90

Enter score 2:  92

Enter score 3:  67

……

Enter score 8:  98

The sum is nnnn and the average is nnnn!

The scores shown here are just examples. The user can enter any integers as scores. Make sure your method will output the sum and average of the scores which the user entered.

In the main method, call the above two static methods, run and see your program’s output.

Answer 1

Below is your code: -

package COMP3110AssignmentsYourLastName;

import java.util.Scanner;

public class Assignment3YourLastName {
   public static void gradeLetter() {
       Scanner scan = new Scanner(System.in);
       System.out.print("Enter and integer score: ");
       int score = Integer.parseInt(scan.next());;
       char letter = ' ';
       if (score < 60) {
           letter = 'F';
       } else if (score <= 69) {
           letter = 'D';
       } else if (score <= 79) {
           letter = 'C';
       } else if (score <= 89) {
           letter = 'B';
       } else if (score <= 100) {
           letter = 'A';
       }

       System.out.println("The letter grade is : " + letter);
   }

   public static void CalculateGrade() {
       Scanner sc = new Scanner(System.in);
       System.out.println("Assignment-3 Part-2:");
       int count = 1;
       int score;
       int sum = 0;
       while (count <= 8) {
           System.out.print("Enter score " + count + ": ");
           score = Integer.parseInt(sc.next());;
           sum = sum + score;
           count++;
       }
       System.out.println("The sum is " + sum + " and the average is " + (sum / 8.0) + "!");
   }
  
   public static void main(String[] args) {
       gradeLetter();
       CalculateGrade();
   }
}

Output

Enter and integer score: 82
The letter grade is : B
Assignment-3 Part-2:
Enter score 1: 98
Enter score 2: 92
Enter score 3: 85
Enter score 4: 76
Enter score 5: 93
Enter score 6: 94
Enter score 7: 99
Enter score 8: 90
The sum is 727 and the average is 90.875!