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solong [7]
3 years ago
9

Write a program that determines a student's letter grade. Allow the user to enter three test scores. The maximum score on each t

est is 100 points. Determine the letter grade from the average of the test scores, using the following: 90% or more A 80% or more, but less than 90% B 70% or more, but less than 80% C 60% or more, but less than 70% D or F, to be determined from additional information less than 60% F Only if the grade needs to be determined between D and F, allow the user to enter the number of homework assignments the student turned in, and the total number of homework assignments. If more than 80% of the homework assignments were turned in, the letter grade is D, otherwise F. Test it 4 times: 96 84 90 95 83 90 70 59 60 with 5 homework out of 6 turned in 73 58 65 with 8 homework out of 11 turned in Compute the results by hand and check your results.
Computers and Technology
1 answer:
Elina [12.6K]3 years ago
6 0

Answer:

public class Grade {

   

   public static void main (String [] args) {

       

       int sum = 0, avg = 0;

       char grade = 'x';

       Scanner input = new Scanner(System.in);

       

       System.out.print("Enter the test scores: ");

       for(int i=1; i<=3; i++) {

           int testScore = input.nextInt();

           sum += testScore;

       }

       

       avg = sum/3;

       

       if(avg >= 90) {

          grade = 'A';

       }

       else if(avg>= 80 && avg < 90) {

          grade = 'B';

       }

       else if(avg>= 70 && avg < 80) {

          grade = 'C';

       }

       else if(avg>= 60 && avg < 70) {

         

          System.out.print("Enter the number of homeworks turned in: ");

          int homeworksTurnedIn = input.nextInt();

          System.out.print("Enter the total number of homeworks: ");

          int totalHomeworks = input.nextInt();

         

          if((homeworksTurnedIn / (double)totalHomeworks) > 0.8) {

              grade = 'D';

          }

          else

              grade = 'F';

       }

       else if(avg < 60) {

          grade = 'F';

       }

       

       System.out.println("Your grade is: " + grade);

   }

}

Explanation:

- Initialize the variables

- Ask the user for the test scores

- Inside the for loop, calculate the <em>sum</em> of the test scores

- Then, find the <em>average</em> of the scores

- Depending on the <em>average</em>, print the <em>grade</em>

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