Testing TipCalculator.java

Output:

What was the cost of your cruise? -1234.57
The cost must be a positive number
pass

Test 1

Output:

What was the cost of your cruise? 1234.57
What is your statisfaction rating? 0 is poor and 3 is great: -1
The satisfaction rating must be 0, 1, 2, or 3
pass

Test 2

Output:

What was the cost of your cruise? 1234.57
What is your statisfaction rating? 0 is poor and 3 is great: -4
The satisfaction rating must be 0, 1, 2, or 3
pass

Test 3

Output:

What was the cost of your cruise? 0
The cost must be a positive number
pass

Test 4

Output:

What was the cost of your cruise? 1234.57
What is your statisfaction rating? 0 is poor and 3 is great: 0
The tip should be $61.73
pass

Test 5

Output:

What was the cost of your cruise? 2233.59
What is your statisfaction rating? 0 is poor and 3 is great: 1
The tip should be $223.36
pass

Test 6

Output:

What was the cost of your cruise? 3233.59
What is your statisfaction rating? 0 is poor and 3 is great: 2
The tip should be $485.04
pass

Test 7

Output:

What was the cost of your cruise? 4111.18
What is your statisfaction rating? 0 is poor and 3 is great: 3
The tip should be $822.24
pass

Student files

TipCalculator.java:

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import java.util.Scanner;
/**
 * Calculates the suggested tip
 */
public class TipCalculator
{
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        
        //get the cost
        System.out.print("What was the cost of your cruise? ");
        double cost = scan.nextDouble();
        if (cost <= 0)
        {
            System.out.println("The cost must be a positive number");
            return;
        }
        
        //get the satisfaction
        System.out.print("What is your statisfaction rating? 0 is poor and 3 is great: ");
        int satisfaction = scan.nextInt();
        
        double tip = 0;
        if (satisfaction == 0)
        {
            tip = cost * 5.0/100;
            System.out.printf("\nThe tip should be $%.2f", tip);
        }
        else if (satisfaction == 1)
        {
            tip = cost * 10.0/100;
            System.out.printf("\nThe tip should be $%.2f", tip);
        }
        else if (satisfaction == 2)
        {
            tip = cost * 15.0/100;
            System.out.printf("\nThe tip should be $%.2f", tip);
        }
        else if (satisfaction == 3)
        {
            tip = cost * 20.0/100;
            System.out.printf("\nThe tip should be $%.2f", tip);
        }
        
        else 
        {
            System.out.println("\nThe satisfaction rating must be 0, 1, 2, or 3");
        }
        
    }
}

Score

8/8

Download

2015-09-26T00:55:19Z