Introduction to C++ Language

v     Objective:-

·       The basic programming and OOPs concepts

·       Creating C++ programs

·       Tokens,expression and control structures in C++

·       Arranging same data systematically with arrays

·       Classes and object in C++

·       Constructors and destructors in C++

·       Files managament and templates in C++

·       Handing exceptions to control errors

 

v     Data types:-

·       Integer

·       Float

·       Character

·       Double

·       Long double

·       String

·       Signed integer

·       Unsigned integer

v    Variables:-

·       Variable is a named memory location .It is used for store program input data and output data during execution. The value of the variable may be change during execution of program. The name of the variable can’t be change.

·       During writing the name of variable the space cannot be allow.

·       The name of variable like as follow:

a , b, mark, hussnain, etc.

v operators:-

·       Addition(+)

·       Subtraction(-)

·       Division(/)

·       Multiplication(*)

·       Modules(%)

v Operators precedence:-

C operation	Operation(s)	Order of evaluation (precedence)
()	Parentheses	Evaluation first.
Unary(+.-)	Addition Subtraction.	unary plus and minus from right to left
*, /, or %	Multiplication Division Modulus	Evaluated second. If there are several, they are evaluated left to right.
Binary : +or -	Addition Subtraction	Evaluated last. If there are several, they are evaluated left to right.

Ø Statement#1

#include <iostream>

using namespace std;

int main()

{

cout<< "My first C++ program." <<endl;

cout<< "The sum of 2 and 3 = " << 5 <<endl;

cout<< "7 + 8 = " << 7 + 8 <<endl;

return 0;

}