C++

C++ Fundamentals

Speaker: Jason V. Castellano

is a low-level programming language developed by Bjarne Stroustrup at Bell Labs. C++ adds object-oriented features, C. C++ is one of the most popular programming language for graphical applications, such as those that run in Windows and Macintosh environments.

What is C++?

Best application written in C++

• Mozilla

• Adobe Systems

• Google

• Winamp Media Player

O.S written in C++ programming language.

• Apple – OS X

• Microsoft

#include “iostream.h”#include “conio.h”Using namespace std;

int main() {

cout<< “ Hello world ”;

getch();return 0;

}

Basic C++ Syntax // my first program in C++

#include “iostream.h”#include “conio.h”Using namespace std;

Preprocessor- a computer program that modifies data to conform with the input requirements of another program.

Basic C++ Syntax

Basic C++ Syntax

main() function

it is the function called when the program is run. The execution of all C++ programs begins with the main function

int main() { }

Basic Input and Output

Cout<< - Console Out is a standard output stream

cout<<“Hello Word”;Ex:

Output: Hello World

Basic Input and Output

Cin>> - Console in is a standard inputstream

cout<<“Enter name:”;Ex:

cin>>name;

Fundamentals Data Types

int type used to define numeric variables holding whole numbers.

It defines a character primitive type

float is a single precision (32 bit) floating point data type

is a double precision (64 bit)

char

float

double

string generally means an ordered sequence of characters

string

Let’s build a project:

Student’s Information Project name:

Thank you !!!