public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

String arr[][] = new String[4][6];

for (int i = 0; i < 4; i++) {

for (int j = 0; j < 6; j++)

arr[i][j] = "NB";

}

for (;;) {

String d = sc.nextLine();

System.out.print("ENTER YOUR NAME=");

String id = sc.nextLine();

System.out.print("ENTER FLOOR NUMBER [0 TO 9]=");

int f = sc.nextInt();

System.out.print("ENTER ROOM NUMBER [1 TO 20]=");

int r = sc.nextInt();

if (arr[f][r - 1].equals("NB")) {

arr[f][r - 1] = id;

System.out.println("ACCEPTED");

System.out.println("The room " + r + " of floor " + f + " is booked for " + id);

} else {

System.out.println("TRY AGAIN");

}

System.out.println("STATUS OF YOUR HOTEL:-");

for (int i = 0; i < 4; i++) {

System.out.print("Floor no=" + (i));

for (int j = 0; j < 6; j++) {

System.out.print(" Room NO:-" + (j + 1) + " " + arr[i][j] + ",");

}

System.out.println();

}

System.out.println("Your choice: 0 to exit, 1 to continue=");

int ch = sc.nextInt();

if (ch == 0)

break;

else

continue;

}

}