Variables Review(Processing)

Which is the first to get completed according to the order of operations?

What are containers that hold data while your program is running?

What is the first thing you should do when starting a new program?

Which of the following is a valid variable name?

What does the width system variable store using the following code? size(1000, 300);

Comments are used effectively by all good programmers.

What is changing the entity of one datatype into another datatype called?

A char datatype can hold any single character value.

All equations are first solved on the right and then assigned to the left.

System variables are reserved words in a programming language used for a specific variable.

The Processing program we are using is based on what programming language?

What does the following code return?   int x = (int) random(200,500)

Evaluate the following:  float x = 21.1;  x ++;  x += 10;  x %= 4;  x??

Evaluate:  int y = 10;  y /= 2;  y += 3;  y--;  y = ????

What type of number does the following code return?   random(350)

Is this variable name valid or invalid?  1teacher

What is this mathematical operator called?  %

Is this variable name valid or invalid?    Beck'sCar

What type of datatype is the following?   true(not the word)

Is this variable name valid or invalid?   numberOfMiles

Evaluate:  int n = 40;  int x = n % 6;   x = ???

What type of datatype is the following?        "Bill Gates"

What is the following format of words called in computer programming?        nowAndForever

What does the height system variable store using the following code? size(300, 500);

What is the symbol used for a single line comment?

num *= 5 is a shortcut for    num = num * 5 

What does the modulus operator do?

What type of number does the following code return?  random(50,100)

Evaluate:  int x = 20;  x += 3;  x /= 4;  x = ??

Quotes are used to identify integers and float datatype values.

You cannot use what type of words for your variable names in computer programming?

Is this variable name valid or invalid?      Sales%rate

What does primitive datatypes mean?

Is this variable name valid or invalid? PASSWORD

The String datatype is a class.

Which of the following is a system variable in the Processing program?

Which of the following is a system variable?

In terms of being descriptive, x and y are good names to use for variables.

A float datatype is used whenever you will not need to use decimals.

Names must begin with an alphabetic character or underscore.

Evaluate:  float x = 20.0;  x += 3;  x /= 4;  x = ??

What is the following code doing? int x = 0;

Evaluate:   int x = 10 ;     x++;      x*=3;   x = ???

What command changes the edge color of your shapes to black?