What is While Loop?

While loop is the Entry Control loop It's having 3 parts Initialisation,Condition,Increment/Decrement All 3 parts are optional. you can skip all or anyone according to your need or logic of your program. Syntax:-

initialisation;
 while(  conditions) {

 
    {

        //Loop body Instructions 
        //this is a place where you write a set of statements perform again and again.

      increment/decrement
    }