Obiectives:The goal here is to design and implement a Java Class and object. This will test your ability to name instance variables appropriately, create methods with different return values and parameters, and setup a constructor for the class.Requirements:We are going to build a calculator that will do a few basic math functions including:adding$/$subtracting methods for two numbersMultiplying method for two numbersCreate an average method for two numbers $($Average formula for two numbers is: $($x$+$y$)/2)$Printing results using System.out.prinIn$()$;