import java.util.Scanner;
public class Case {
    public static void main(String[] args) {

        double taxRate = 0.15; // pet tax rate
        String name; // what they buy
        double price;

        // show user the options and get their choice
        System.out.println("1. Dog");
        System.out.println("2. Cat");
        System.out.println("3. Llama");
        System.out.println("4. Robo-Mecha Horse");
        int choice = promptInt("What is your choice?");
        
        // depending on choice, set variables
        switch(choice) {
            case 1: 
                name = "Dog";
                price = 59.99;
                break; // java syntax needs this
                        // otherwise, code will continue to next case!
            case 2:
                name = "Cat";
                price = 20.00;
                break;
            case 3:
                name ="Llama";
                price = 229.99;
                taxRate = 0.17; // exotic tax
                break;
            case 4:
                name = "Robo-Mecha Horse";
                price = 59699.57;
                taxRate = 0.03; // preferential tax for robot overlords
                break;
            default:  // what to do if they chose none of the above numbers
                name = "No Sale";
                price = 0;
                break; 
        }
        
        // tell them the final bill:
        System.out.println("Your Purchase:");
        System.out.println(name);
        double tax = price * taxRate;
        double total = price + tax;
        System.out.println("$" + total);
                
        
    } // end main
    

    // utility for reading in integer input
    public static int promptInt(String promptText) {
        System.out.print(promptText + " ");
        Scanner scan = new Scanner(System.in);
        int response = scan.nextInt();
        return response;
    }       
}