import java.util.Scanner;

/*
  Author:  James Tam
  Version: January 8, 2020 (minor modifications to an earlier version)
  Learning objective: Incorrect implementation of a switch structure
  (missing break to separate the cases). Also it shows how the cases can
  be implemented on an integer value.
*/

public class SwitchExample2
{
    public static void main(String [] args)
    {
        char letter = ' ';
        int gpa = -1;
        Scanner in = new Scanner(System.in);
        System.out.print("Enter grade point: ");
        gpa = in.nextInt();
        switch (gpa)
        {
           case 4:
               letter = 'A';
               break;

           case 3:
               letter = 'B';
               break;

           case 2:
               letter = 'C';
               break;

           case 1:
               letter = 'D';
               break;

           case 0:
               letter = 'F';
               break;

           default:
               letter = 'E';
        }
        System.out.println("Letter grade: " + letter);
        System.out.println("Grade point: " + gpa);
    }
}