Javascript

Javascript object creation 

https://www.developerdrive.com/4-ways-to-create-an-object-in-javascript-with-examples/

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function

https://abdulapopoola.com/2013/03/30/static-and-instance-methods-in-javascript/

Java Thread

 to have thread in java we have two options 

option 1: Extends Thread and need to override the method run()