May 2024
Intermediate to advanced
889 pages
37h 5m
English
Content preview from Java Programming by Pearson
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260 • Java Programming
Explanation: The interface Sweet declares one function mawastatus. Any class which inherits this
class has to redefi ne this function and tell whether they contain mawa as one of its main ingredients. This
interface Sweet is implemented, for example, by four different classes: Burfi, Kajukatli, Jalebee
and Rusgulla . Each class does provide implementation of function mawastatus. In the main , an
array of reference ptr of interface Sweet type is created . In the reference array ptr , the address of
objects of four different classes are assigned.
Sweet ptr[] ={ new Burfi (), new Kajukatli(),
new ...
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