Refining a Problem’s Solution
Explore how to enhance Java class solutions by refining methods and combining logic for clarity. Learn to implement status enums and switch statements to manage program flow and avoid errors. Understand the importance of critiquing and improving class design for better readability and maintainability.
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Let’s enhance the class CafeSign that we developed in the previous lesson using the ideas we have presented so far.
One solution
Our first enhancement to CafeSign adds the name of the café as a private data field and defines a constructor to initialize it. The class will have only one public method, getMessage that returns the sign’s contents as a string. It calls several private methods, including the method getMealServedMessage. This method has logic much like that of getMealServed in our early version of the class, as given in the previous lesson.
Imagine that we temporarily omit the opening time from the message “See you at . . . ” in the sign’s third line, as we suggested in the ...