Introduction to C++

.cpp

.exe

.java

.txt

To allow input and output operations

To define a new programming language

To import all available functions in C++

To format text output

Starts the execution of a C++ program

Declares global variables

Runs system-level commands

Automatically prints output

myVariable

2cool4school

_underscore_variable

camelCaseExample

A) Hello World!

B) HelloWorld!

C) "Hello" "World!"

D) Compilation error

const double PI = 3.14159;

let PI = 3.14159;

define PI 3.14159;

permanent double PI = 3.14159;

int

double

string

decimal

A) A runtime error occurs

B) The program returns infinity

C) The result is 0

D) The compiler automatically handles the exception

Returns the remainder of a division

Divides two numbers

Converts values to percentages

Returns the absolute value

char letter = 'A';

char letter = "A";

char letter = A;

character letter = 'A';