Java
TOPIC 20 – WHILE STATEMENTS – PART 2
AP EXTRA - COUNTING ITERATIONS

AP LESSON WORK

QUESTION 1

Create a program that offers the user four options. If the user correctly chooses one of the four options, then the program simply outputs a related message. However, if the user enters an illegal value, then the user needs to be informed of the error and asked to choose again.

Sample output:

Welcome to the appointment app for Campeau’s Cars Garage. Here are the four types of services that we provide:

1-Oil Change

2-Brake Examination

3-Undercoating

4-Car Wash

Please enter a choice:

5

Illegal value.

Please enter a number between 1 and 4.

0

Illegal value.

Please enter a number between 1 and 4.

2

Great. We’ll examine your breaks this upcoming Tuesday at 4:00. See you then!

Sample output 2:

What would you like to do today?

1-Eat Bacon

2-Save the World

3-Write open source software

4-Stand on a stool during Oh Canada!

Please enter a choice:

0

Illegal value.

Please enter a number between 1 and 4.

3

You actually prefer writing open source software over saving the world? This must be Justin Michaud.

QUESTION 2

Copy your code from Question1 into a new document. Alter the code so that your response to illegal entries starts off polite but gets increasingly annoyed.

Sample output:

Welcome to the appointment app for Campeau’s Cars Garage. Welcome to the appointment app for Campeau’s Cars Garage. Here are the four types of services that we provide:

1-Oil Change

2-Brake Examination

3-Undercoating

4-Car Wash

Please enter a choice:

5

Sorry, you entered an illegal value.

Please enter a number between 1 and 4.

0

Oh, that’s not a number between 1 and 4.

Please enter a number between 1 and 4.

7

Um, that’s not right.

Please enter a number between 1 and 4.

9

Seriously?

Please enter a number between 1 and 4.

-11

Cmon, you got this!

Please enter a number between 1 and 4.

6

For the love of god!

Please enter a number between 1 and 4.

5

Ok, you should not be driving car!

Please enter a number between 1 and 4.

4

Sounds good. Come by on Thursday at 12pm for a car wash.