Variables/Constants

Question 1

How many kinds of variables are there?

Answer 1

6 kinds

Question 2

What kinds of variables are there?

Answer 2

Integer, Float, Char, String, Boolean, Null

Question 3

What is a variable?

Answer 3

A “container” for a certain value

Question 4

What is the difference between variables and Constants?

Answer 4

Constants cannot change during the program, variables can

Question 5

What is an identifier?

Answer 5

The unique string of characters used by the programmer to identify and call on the value

Question 6

How do you pick the identifier for a variable or constant?

Answer 6

Based on what it is storing to allow for easy location.

ex. Storing the total score from a match as “scoreT”

Question 7

Do all programming languages have Constants?

Answer 7

No. Python is an example of a programming language without Constants

Question 8

How are Constants normally written?

Answer 8

In all caps

ex. SPEED

Question 9

Can variables be set to other variables?

Answer 9

Yes, a variable can be set to other variables or operations of other variables.

Question 10

What does a dynamically typed language do for variables?

Answer 10

You do not have to specify how the variable is stored.