How To Call JFrame from another Java class

Question

I am trying to do a simple Jform and call it from another class. I want to use this Jframe in a server client application, but I don\'t know how to open the JFrame class fro

Answer 1

 Calculas CAL = new Calculas();
  CAL.Calculus();

maybe, CAL.Calculas(); I dont know java but I realized that, sorry about my english:)