Programming Assignment #103

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;
        double tax = .0825;
        int baseShipping = 5;
        int perKeychainShipping = 1;
        
        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, tax, baseShipping, perKeychainShipping);
                    break;
                case 4: checkout(price, keyNum, tax, baseShipping, perKeychainShipping);
                    break;
                default: System.out.println("That's not a valid choice."); 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();
        if(currentNum - removed >= 0){
            return currentNum - removed;
        }
        else{
            System.out.println("You can't have negative keychains...");
            return currentNum;
        }
    }
    public static void viewOrder(int kPrice, int currentNum, double tax, int baseShipping, int pKShipping){
        int shipPrice = currentNum * pKShipping + baseShipping;
        int total = shipPrice + kPrice * currentNum;
        
        Scanner k = new Scanner(System.in);
        System.out.println("Keychains: " + currentNum);
        System.out.println("Price: $" + kPrice);
        System.out.println("Shipping: $" + (currentNum * pKShipping + baseShipping));
        System.out.println("Price no tax: $" + total);
        System.out.println("Total Price: $" + (total * tax));
    }
    public static void checkout(int kPrice, int currentNum, double tax, int baseShipping, int pKShipping){
        int shipPrice = currentNum * pKShipping + baseShipping;
        int total = shipPrice + kPrice * 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("Shipping: $" + (currentNum * pKShipping + baseShipping));
        System.out.println("Price no tax: $" + total);
        System.out.println("Total Price: $" + (total * tax));
        System.out.println("Thanks for your order, " + name + "!");
        
    }

}

  

Outputs