Book

Books

public class SerendipitityBooksellers {

    public static void main(String[] args) {
         int choice = 0;

	System.out.println("Serendipidy Booksellers\n");
	System.out.println("Main Menu\n");

	System.out.println("1.	Cashier Module");
	System.out.println("2.	Inventory Database Module");
	System.out.println("3.	Report Module");
	System.out.println("4.	Exit\n");
	System.out.println("Enter Your Choice: ");
        Scanner keyboard = new Scanner(System.in);
        choice = keyboard.nextInt();
       if (choice>4 || choice<0)
       {
           System.out.println("Please select a menu option from 1-4");
           System.out.println("Enter Your Choice: ");
           choice = keyboard.nextInt(); 
           
       }else
       {
            switch(choice)
           {
               case 1: cashier();
                   break;
               case 2: invMenu();
                   break;
               case 3: reports();
                   break;
               case 4: System.exit(0);
                   break;
           
           }
             
       }