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All programming is problem solving. In object-oriented...
All programming is problem solving. In object-oriented programming
A
a class models the state and behavior of a real-world object.
B
the fundamental unit is the method, which can itself contain further methods.
C
when an object implements an interface, it promises to provide the behavior published by that interface.
D
an interface is a namespace for organizing classes and packages in a logical manner.
E
a collection of objects with no implementation is called a package.