C++ statements with syntax

If statement : 

Syntax :   

if(test condition)

{

   statment1;

}

Example:

#include<iostream.h>

#include<conio.h>

#include<string.h>

void main()

{

int age;

cout <<"\n Enter the age";

cin >>age;

if (age>=18)

{

    cout <<"\n YOU CAN VOTE ";

}

getch();

}

Explanation : 

                 The control enters the if statement and the test condition will checked and if the condition is TRUE  then the output will be displayed . If the condition is FALSE then nothing will be displayed.

If......else Statement :

Syntax:

if(test condition) 

statement 1;

else 

statement 2;

Example :

#include<iostream.h>

#include<conio.h>

void main()

{

int n;

cout <<"\n Enter the number";

cin >>n;

if (n%2==0)

cout <<"\n You have entered EVEN no";

else

cout <<"\n You have entered ODD no ";

getch();

}

Explanation :

                 The control enters the main() function . After getting the input value the test condition will checked and if the test condition is TRUE then the statement 1 will be displayed,  otherwise statement 2 will be displayed .