title: OOP - What is the proper definition between instance and object?
body: <p>Is instance and object same thing in OOP or not? 
  A good explanation <a href="https://alfredjava.wordpress.com/2008/07/08/class-vs-object-vs-instance/" rel="nofollow noreferrer">Here</a>. But some explanation is so confusing. 
  I want to know best explanation. Advance thanks .</p>