F.14. Wrap-Up
In this appendix, we presented additional class concepts. The Time
class case study presented a complete class declaration consisting of private
data, overloaded public
constructors for initialization flexibility, set and get methods for manipulating the class’s data, and methods that returned String
representations of a Time
object in two different formats. You also learned that every class can declare a toString
method that returns a String
representation of an object of the class and that method toString
can be called implicitly whenever an object of a class appears in the code where a String
is expected.
You learned that the this
reference is used implicitly in a class’s non-static
methods to access the class’s instance variables ...
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