Assignemnt #102 and Keychains for Sale; for real this time

Code

/// Name: Kyle Ivy
/// Period: 5
/// Program Name: KeychainFoReal
/// File Name: KeychainFoReal.java
/// Date Finished: 4/20/2016

 import java.util.Scanner;

      public class KeychainFoReal
      {
          public static void main( String[] args )
          {
  
              Scanner keyboard = new Scanner(System.in);
              int choice, price = 10, amount;
              amount = 0;
  
              System.out.println("Ye Olde Keychain Shoppe");
              System.out.println();
              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 ");
              System.out.print("Please enter your choice: ");
              choice = keyboard.nextInt();
  
              while ( choice != 4 )
              {
                  if (choice == 1){
                      amount = addKeychains(amount);
                  }
                  else if (choice == 2){
                      amount = removeKeychains(amount);
                  }
                  else if ( choice == 3){
                      viewOrder(amount, price);
                  }
                  else
  
                  System.out.print(" Error: Please enter a real answer. ");
                  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 ");
                  System.out.print("Please enter your choice: ");
                  choice = keyboard.nextInt();
              }
  
              System.out.println();
              checkout(amount, price);
  
          }
  
  
  
  
              public static int addKeychains(int amount)
              {
                  Scanner keyboard = new Scanner(System.in);
                  int add, total;
                  System.out.println();
                  System.out.print("You have " + amount + " keychains. " );
                  System.out.print(" How many would you like to add: ");
                  add = keyboard.nextInt();
                  total = amount + add;
                  System.out.println("You now have have " + total + " keychains. ");
                  System.out.println();
                  return total;
  
              }
              public static int removeKeychains(int amount)
              {
                  Scanner keyboard = new Scanner(System.in);
                  System.out.println();
                  System.out.print("You have " + amount + "keychains. " );
                  System.out.print(" How many would you like to remove: ");
                  amount = amount - keyboard.nextInt();
                  System.out.println("You now have have " + amount + " keychains. ");
                  return amount;
  
              }
              public static void viewOrder(int amount, int price)
              {
                  Scanner keyboard = new Scanner(System.in);
                  System.out.println();
                  System.out.print("You have " + amount + " keychains. " );
                  System.out.println("At 10$ per keychain, the total comes out to be " + (amount*price) + " dollars. " );
                  System.out.println();
              }
              public static void checkout(int amount, int price)
              {   
                  Scanner keyboard = new Scanner(System.in);
                  System.out.println();
                  System.out.print("You have " + amount + " keychains. " );
                  System.out.println("At 10$ per keychain, the total comes out to be " + (amount*price) + " dollars. " );
                  System.out.println("Thank you for your order. ");
                  System.out.println();
              }
  
      }


 
    
    

prog102.PNG