In CS4B we will be creating various views for this assignment,in CS4A you have to make sure you Model works to specs. In class wewill be discussing MVC (Model-View-Controller) design pattern. MVCis a popular design pattern used in Windows 8, and Web ApplicationFrameworks such as Apache Struts. For this assignmentHPCalculatorModel is the model it contains both the data aStack<double> and also the business logic of an HP (HewlettPackard) RPN (Reverse Polish Notation) calculator. The viewprovides what the user sees (i.e., HPCalculatorView) and thecontroller is the interface, (i.e., HPCalculatorController).
The HPCalculator Zip file f consists of theHPCalculatorModel.java and Op.java classes. For submit
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