Programming Assignment #102

Code

import java.util.Scanner;

public class KeyChains{
    
    public static void main(String[] args){
        
        Scanner k = new Scanner(System.in);
        int price = 10;
        int keyNum = 0;
        
        int i = 0;
    
        while(i != 4){
            
            System.out.println("");
            System.out.println("Keychain shop");
            System.out.println("");
            System.out.println("1) Add Keychains to your order");
            System.out.println("2) Remove Keychains from your order");
            System.out.println("3) View your current order");
            System.out.println("4) Checkout");
            System.out.println("");
            System.out.print("Please enter your choice: ");
            
            i = k.nextInt();
            System.out.println("");
            
            switch(i){
                case 1: keyNum = addKeychains(keyNum);
                    break;
                case 2: keyNum = removeKeychains(keyNum);
                    break;
                case 3: viewOrder(price, keyNum);
                    break;
                case 4: checkout(price, keyNum);
                    break;
                default: break;
            }
        }
        
    }
    
    public static int addKeychains(int currentNum){
        Scanner k = new Scanner(System.in);
        System.out.print("You currently have " + currentNum + " keychains in your order. How many do you want to add? ");
        int added = k.nextInt();
        return currentNum + added;
    }
    public static int removeKeychains(int currentNum){
        Scanner k = new Scanner(System.in);
        System.out.println("You currently have " + currentNum + " keychains in your order. How many do you want to remove? ");
        int removed = k.nextInt();
        return currentNum - removed;
    }
    public static void viewOrder(int kPrice, int currentNum){
        Scanner k = new Scanner(System.in);
        System.out.println("Keychains: " + currentNum);
        System.out.println("Price: $" + kPrice);
        System.out.println("Total Price: $" + (kPrice * currentNum));
    }
    public static void checkout(int kPrice, int currentNum){
        Scanner k = new Scanner(System.in);
        System.out.print("What's your name? ");
        String name = k.next();
        System.out.println("Keychain: " + currentNum);
        System.out.println("Price: $" + kPrice);
        System.out.println("Total Cost: " + (kPrice * currentNum));
        System.out.println("Thanks for your order, " + name + "!");
        
    }

}

  

Outputs