Code

   
    /// Name: Afaf Nabeeha
    /// Period: 7
    /// Program Name: Keychains for Sale
    /// File Name: Keychains.java
    /// Date Finished: 3/8/2016 public class Keychains

        import java.util.Scanner;
        
        public class Keychains
        {
            public static void main( String[] args )
            {
                Scanner keyboard = new Scanner(System.in);
                int a;
                a = 0;
                while (a != 4)
                {
                System.out.println( "Ye Olde Kyechain Shoppe" );
                System.out.println();
                System.out.println( "1. Add Keychains to Order" );
                System.out.println( "2. Remove Kyechains from Order" );
                System.out.println( "3. View Current Order" );
                System.out.println( "4. Checkout" );
                System.out.println();
                System.out.print( "Please enter your choice: " );
                a = keyboard.nextInt();
                if ( a == 1 )
                {
                    Order();
                }
                else if ( a == 2 )
                {
                    Remove();
                }
                else if ( a == 3 )
                {
                    View();
                }
                else if ( a == 4 )
                {
                    Checkout();
                }
                else 
                {
                    a = 4;
                    Checkout();
                }
                }
                
            }
            public static void Order()
            {
                System.out.println( "ADD KEYCHAINS" );
            }
            public static void Remove()
            {
                System.out.println( "REMOVE KECHAINS" );
            }
            public static void View()
            {
                System.out.println( "VIEW ORDER" );
            }
            public static void Checkout()
            {
                System.out.println( "CHECKOUT" );
            }
        }
             
    
Picture of the output