UseGuessDateClass

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import java.util.Scanner;

public class UseGuessDateClass {
   public static void main(String[] args) {
       int date = 0; // Date to be determined
       int answer;

       // Create a Scanner
       Scanner input = new Scanner(System.in);

       for(int i = 0; i < 5; i++) {
           System.out.println("Is your birthday in Set" + (i + 1) + "?");
           for(int j = 0; j < 4; j++) {
               for(int k = 0; k < 4; k++)
                   System.out.printf("%3s",GuessDate.getValue(i, j, k));
               System.out.println();
           }

           System.out.print("\nEnter 0 for No and 1 for Yes: ");
           answer = input.nextInt();

           if(answer == 1)
               date += GuessDate.getValue(i, 0, 0);
       }

       System.out.println("Your birthday is " + date);
   }

}

public class GuessDate {
   private static final int[][][] dates = {
           {
               { 1, 3, 5, 7},
               { 9, 11, 13, 15},
               {17, 19, 21, 23},
               {25, 27, 29, 31}
           },

           {
               { 2, 3, 6, 7},
               {10, 11, 14, 15},
               {18, 19, 22, 23},
               {26, 27, 30, 31}
           },

           {
               { 4, 5, 6, 7},
               {12, 13, 14, 15},
               {20, 21, 22, 23},
               {28, 29, 30, 31}
           },

           {
               { 8, 9, 10, 11},
               {12, 13, 14, 15},
               {24, 25, 26, 27},
               {28, 29, 30, 31}
           },
           {
               {16, 17, 18, 19},
               {20, 21, 22, 23},
               {24, 25, 26, 27},
               {28, 29, 30, 31}
           }
   };

   /** Prevent the user from creating objects from GuessDate */
   private GuessDate() {}

   /** Return a date at the specified row and column in a given set */
   public static int getValue(int i, int j, int k) {
       return dates[i][j][k];
   }
}

Is your birthday in Set1?
1 3 5 7
9 11 13 15
17 19 21 23
25 27 29 31

Enter 0 for No and 1 for Yes: 0
Is your birthday in Set2?
2 3 6 7
10 11 14 15
18 19 22 23
26 27 30 31

Enter 0 for No and 1 for Yes: 0
Is your birthday in Set3?
4 5 6 7
12 13 14 15
20 21 22 23
28 29 30 31

Enter 0 for No and 1 for Yes: 0
Is your birthday in Set4?
8 9 10 11
12 13 14 15
24 25 26 27
28 29 30 31

Enter 0 for No and 1 for Yes: 0
Is your birthday in Set5?
16 17 18 19
20 21 22 23
24 25 26 27
28 29 30 31

Enter 0 for No and 1 for Yes: 0
Your birthday is 0

0 0