Question

write a java code to calculate a restaurant tip based on the diner’s satisfaction on a scale of 1 – 5. The user will input the total bill and their rating. The program should output the tip percentage, tip amount, and total due. You must use a select statement instead of an if.
For a rating of 1, calculate a 10 % tip.
For a rating of 2, calculate a 12.5% tip.
For a rating of 3, calculate a 15 % tip.
For a rating of 4, calculate a 20 % tip.
For a rating of 5, calculate a 25 % tip.

Answer 1

import java.util.Scanner;

public class RestaurantTip {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.print("Enter bill: ");
        double bill = scan.nextDouble();
        System.out.print("Enter rating: ");
        int rating = scan.nextInt();

        double tip = 0.0;

        switch (rating){
            case 1:
                System.out.println("Tip percentage: 10%");
                tip = bill*0.10;
                break;
            case 2:
                System.out.println("Tip percentage: 12.5%");
                tip = bill*0.125;
                break;
            case 3:
                System.out.println("Tip percentage: 15%");
                tip = bill*0.15;
                break;
            case 4:
                System.out.println("Tip percentage: 20%");
                tip = bill*0.20;
                break;
            case 5:
                System.out.println("Tip percentage: 25%");
                tip = bill*0.25;
                break;
        }

        System.out.println("Tip amount: "+tip);
        System.out.println("Total due: "+(bill+tip));
    }
}