import java.util.Scanner; public class GuessBirthdayUsingArray { public static void main(String[] args) { int day = 0; // Day to be determined int answer; 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}}}; // Create a Scanner Scanner input = new Scanner(System.in); for (int i = 0; i < 5; i++) { System.out.println("Is your birth day in Set" + (i + 1) + "?"); for (int j = 0; j < 4; j++) { for (int k = 0; k < 4; k++) System.out.printf("%4d", dates[i][j][k]); System.out.println(); } System.out.print("\nEnter 0 for No and 1 for Yes: "); answer = input.nextInt(); if (answer == 1) day += dates[i][0][0]; } System.out.println("Your birth day is " + day); } }