Test your knowledge of variables, expressions, and the rest of the information in this hour by answering the following questions.
What do you call a group of statements that is contained with an opening bracket and a closing bracket?
A boolean variable is used to store true or false values.
No, thanks. I already ate.
What characters cannot be used to start a variable name?
Two forward slash marks (//)
a. The grouped statements are called a block statement, or a block.
a. true and false are the only answers a boolean variable can store.
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.