Android™ How to Program, Second Edition

Class Time2 with Overloaded Constructors

The default constructor for class Time1 (Fig. F.1) initialized hour, minute and second to their default 0 values (which is midnight in universal time). The default constructor does not enable the class’s clients to initialize the time with specific nonzero values. Class Time2 (Fig. F.5) contains five overloaded constructors that provide convenient ways to initialize objects of the new class Time2. Each constructor initializes the object to begin in a consistent state. In this program, four of the constructors invoke a fifth, which in turn calls method setTime to ensure that the value supplied for hour is in the range 0 to 23, and the values for minute and second are each in the range 0 to 59. The compiler ...