Source of GradeBook.java


  1: import java.util.*;
  2: 
  3: public class GradeBook
  4: {
  5:         public static void main(String[] args)
  6:         {
  7:                 Scanner keyboard = new Scanner(System.in);
  8:                 int grade;
  9:                 int choice;
 10:                 int index = 0;
 11:                 int[] gradebook = new int[10];
 12: 
 13:                 System.out.println("**********GradeBook Menu**********");
 14:                 System.out.println("  1.  Enter grade (-99 to return to menu)");
 15:                 System.out.println("  2.  Class average");
 16:                 System.out.println("  3.  Class Maximum");
 17:                 System.out.println("  4.  Class Minimum");
 18:                 System.out.println("  5.  Exit");
 19:                 System.out.println("\n\n");
 20:                 System.out.print("  Enter your choice:  ");
 21: 
 22:                 choice = keyboard.nextInt();
 23: 
 24:                 switch(choice)
 25:                 {
 26:                         case 1:
 27:                                 grade=choice;
 28:                                 while(grade != -99)
 29:                                 {
 30:                                         gradebook[index] = grade;
 31:                                         index++;
 32:                                         grade = keyboard.nextInt();
 33:                                 }
 34:                                 break;
 35:                         default:
 36:                                 break;
 37:                 }
 38:         }
 39: }