Previous Section  < Day Day Up >  Next Section

Quiz

Test your knowledge of variables, expressions, and the rest of the information in this hour by answering the following questions.

Questions

1:

What do you call a group of statements that is contained with an opening bracket and a closing bracket?

  1. A block statement

  2. Groupware

  3. Bracketed statements

2:

A boolean variable is used to store true or false values.

  1. True

  2. False

  3. No, thanks. I already ate.

3:

What characters cannot be used to start a variable name?

  1. A dollar sign

  2. Two forward slash marks (//)

  3. A letter

Answers

A1:

a. The grouped statements are called a block statement, or a block.

A2:

a. true and false are the only answers a boolean variable can store.

A3:

b. Variables can start with a letter, a dollar sign ($), or an underscore character (_). If you started a variable name with two slash marks, the rest of the line would be ignored because the slash marks are used to start a comment line.

    Previous Section  < Day Day Up >  Next Section