Friday 27 September 2019

What is IF statement in C/C++ ?


If Statement

If condition is a type of selection control structure. It is used to make decisions. It works on a given condition and evaluates the result if the given condition is true.

Syntax:
The general syntax of if statement as follow:

            If (condition)
            {
                        Statement 1;
                        Statement 2;
                        :
                        :
                        Statement N;
            }

            Example:
             There is an example to understand if statement.

            #include<conio.h>
            #include<iostrem.h>

            void main()
{
            Int marks=0;
            cout << “ Enter Marks: ” ;
            cin>> marks;
            if( marks > 40 )
            cout << “Congratulation, You have Passed” ;
            getch();
}

But there is a problem with if statement it evaluates only if the given condition is true otherwise no result will displayed.