Assignemnt 101 and Keychains For Sale

Code

    /// Name: Xinting Chen
    /// Period: 7
    /// Program Name: Keychains For Sale
    /// File Name: KeychainsForSale.java
    /// Date Finished: 3/31/2016
  
        import java.util.Scanner;
        import java.util.InputMismatchException;
        
        public class KeychainsForSale
        {
        	public static void main( String[] args )
        	{
        		System.out.println("Welcome to the keychain store!!!\n");
        
        		int choice = 0;
        		do
        		{
        			showMenu();
        
        			do choice = askChoice();
        			while (choice==0);
        
        			if (choice == 1) addKey();
        			if (choice == 2) removeKey();
        			if (choice == 3) viewOrder();
        		}
        		while (choice!=4);
        
        		checkout();
        	}
        
        	public static void showMenu()
        	{
        		System.out.println("1. Add Keychains to Order");
        		System.out.println("2. Remove Keychains from Order");
        		System.out.println("3. View Current Order");
        		System.out.println("4. Checkout\n");
        	}
        
        	public static int askChoice()
        	{
        		Scanner keyboard = new Scanner(System.in);
        		int choice = 0;
        		System.out.print("Enter your choice: ");
        		try
        		{
        			choice = keyboard.nextInt();
        		}
        		catch (InputMismatchException e)
        		{
        			choice = 0;
        			System.out.println("WRONG INPUT!!!\n");
        		}
        		if (choice < 1 || choice > 4) choice = 0;
        
        		return choice;
        	}
        
        	public static void addKey()
        	{
        		System.out.println("\nADD KEYCHAINS\n");
        	}
        	public static void removeKey()
        	{
        		System.out.println("\nREMOVE KEYCHAINS\n");
        	}
        	public static void viewOrder()
        	{
        		System.out.println("\nVIEW ORDER\n");
        	}
        	public static void checkout()
        	{
        		System.out.println("\nCHECKOUT\n");
        	}
        }




    

Picture of the output