Can anyone tell me answers to these dicy questions from IBM486 Sample test
1.A resulting benefit of using polymorphism is reduction of:
a) methods in the associated classes
b) subclasses needed to accomplish the same functionality
c) case statements and conditionals
d) coupling between classes in the system
2. UML interfaces are used to:
a) define an API for all classes.
b) program in Java, but not in C++ or Smalltalk.
c) define executable logic to reuse across classes.
d) specify required services for types of objects.