Prog 102: Keychains For Sale, real this time

///Name: Ilana Levy
///Period: 5
///Program Name: Keychains For Sale, for real this time
///File Name: keychainSale2.java
///Date Finished: 9/30/2015

import java.util.Scanner;

public class keychainSale2
{
        public static void main( String[] args )
        {
                Scanner keyboard = new Scanner( System.in );
                int choice, keychain = 0, keyPrice = 10, add, subtract, keychainsInOrder = 0;
                
                System.out.println( "Ye Old Keychain Shope" );
                System.out.println();
            
                 
                 
                 do
                {
                System.out.println( "1. Add keychains to order\n2. Remove Keychains from Order\n3. View Current Order\n4.Checkout" );
                System.out.print( "Please enter your choice: " );
                choice = keyboard.nextInt();
                System.out.println();
                
               
                if (choice == 1 )
                {
                    keychainsInOrder = addKeychains(keychainsInOrder);
                    System.out.println( "You now have " + keychainsInOrder + " keychains." );
                }
                else if ( choice == 2 )
                {
                    keychainsInOrder = removeKeychains(keychainsInOrder);
                    System.out.println( "You now have " + keychainsInOrder + " keychains." );
                }
                else if ( choice == 3 )
                {
                    String message = viewOrder(keychainsInOrder, keyPrice);
                    System.out.println( message );
                    
                }
                else 
                {
                    String check = checkout(keychainsInOrder, keyPrice);
                    System.out.println( check );
                }
                } while (choice != 4 );
        }
        
        public static int addKeychains(int keychain)
        {
            Scanner keyboard = new Scanner( System.in );     
            String x = "ADD KEYCHAINS";
                int add;
                
                System.out.print( "You have " + keychain + " keychains. How Many to add? " );
                add = keyboard.nextInt();
            
                keychain = keychain + add;
            return keychain;
                            
        }
        public static int removeKeychains( int keychain )
        {
                Scanner keyboard = new Scanner( System.in ); 
                String x = "REMOVE KEYCHAINS" ;
                
                System.out.print( "You have " + keychain + " keychains. How many to remove? " );
                int subtract = keyboard.nextInt();
            
                keychain = keychain - subtract;
            return keychain;
                
        }
        public static String viewOrder( int keychain, int keyPrice )
        {
                 String x = "VIEW ORDER" , message;
                
                message = "You have " + keychain + " keychains.\n Keychains cost $10 each.\nTotal cost is " + ( keyPrice * keychain ) ;
            return message;
        }
        public static String checkout( int keychain, int keyPrice )
        {
                Scanner keyboard = new Scanner( System.in );
                String x = "CHECKOUT", check, name ;
                System.out.print( "What is your name? " );
                name = keyboard.next();
                
                check = "You have " + keychain + " keychains.\nKeychains cost $10 each. " + viewOrder(keychain, keyPrice) + "\nThanks for your order, " + name + "!" ;
            return check;
        }
}