C++ FUNdimentals

Question 1

What is the “Entry Point” function for C++

Answer 1

the main() function

int main()
{
}

Question 2

What is a function?

Answer 2

A function contains a series of instructions. When the function is run each of the instructions is carried out from first to last.

Question 3

What is the function header?

Answer 3

Contains the name of the function

Question 4

What is the Function body?

Answer 4

Contains all the function commands

Question 5

How do you finish a code statment in C++

Answer 5

It has to end in ; or the computer won’t recognize it.

Question 6

Programmers create libraries that are fille with completed functions. How to you add them to your program?

Answer 6

include <partyLibrary></partyLibrary>

Using the #include directive

Question 7

How do you call a function?

Answer 7

by putting the name of the function ending with();

Question 8

How do you input strings in the printf(); function?

Answer 8

Using “ “ around the text you want to have entered

Question 9

How do you write a comment in C++?

Answer 9

/* comment */

You can do multiple lines by doing:
/*
*hello
*goodbye
*/

Question 10

what are the two different kinds of files that #include uses?

Answer 10

<> and “”

The angle brackets are ones that have been created and are built into the language.

the quotes are external libraries and have to be downloaded.

They have the proper header file extension called .h

Question 11

How do you initialize a window pop up using the raylib.h library?

Answer 11

using the function initWindow();

Question 11

How do you initialize a window pop up using the raylib.h library?

Answer 11

using the function initWindow();

Question 12

Some functions have multiple paramaters. (think excel. Separated by commas)

Answer 12

VERY IMPORTANT

Question 13

What parameters does InitWindow require?

Answer 13

InitWindow(width, height, title);

Question 14

What is an Integer?

Answer 14

A whole number

1, 75, -100

Question 15

What does the Type of data do?

Answer 15

Determines how the data is stored

integer
double
float
etc.

Question 16

Variables have three parts, what are they?

Answer 16

Name
Value
Type

numberOfCookies
9
int

int numberOfCookies;
numberOfCookies = 9;

Question 17

How do you declare a variable?

Answer 17

by writing its data type and then the variable name

int numberOfCookies;

Question 18

How many decimals can a float hold?

Answer 18

6-7

Question 19

How many decimals can a double hold?

Answer 19

15-16

Question 20

What is the difference between a float and a double?

Answer 20

A float uses less decimals, which means less accuracy but also uses less memory.

Question 21

What is a boolean?

Answer 21

A true or false statement

Question 22

What is braced initialization?

Answer 22

Declaring a variable using the {}
double cheese_burger{1.99};

Question 23

What is the == comparison operator?

Answer 23

It compares the value on the left to the right
bool fourIsNine;

fourIsNine = (5==9);