C++ If..else statement

If..else statement is used when different block of statement is to be executed on condition true and false.

Syntax :

    if(condition)
    {
        block 1 of statement;
    }
    else
    {
        block 2 of statement;
    }

if condition is true then block 1 statement will be executed and if condition is false block 2 statement will execute.

Example :

#include <iostream>
using namespace std;
int main()
{
    int number = 0;
    cout<<"\nEnter an integer : ";
    cin>>number;

    if (number > 10)
    {
        cout<<"\nYou entered "<<number<<" which is greater than 10\n";
    }
    else
    {
        cout<<"\nYou entered "<<number<<" which is less than 10\n";
    }

    return 0;
}

Output :

 Enter an integer : 8
 You entered 8 which is less than 10