answer the three following question 1) Which of the following is likely to not b
ID: 3861646 • Letter: A
Question
answer the three following question
1) Which of the following is likely to not be an object found during OO Analysis?
a. The trigonometric cosine function in a video game application.
b. A molecule in a chemistry application.
c. A book in a library application.
d. A landing of an airplane in an air traffic control application
2)If an operation is defined for a super class, which one of the following statements is true?
a.If the method is not overridden by a subclass, you may not invoke it on any object instances of that subclass.
b.All subclasses must override the operation.
c.The operation may not be redefined (overridden) in a subclass. All subclasses inherit the behavior from their super class.
d.Some subclasses may override the operation and some may not.
3) The ability to send the same message to a number of object instances of different classes and have different behaviors executed, is referred to as what?
a.Polymorphism
b.Homomorphism
c.Anthropomorphism?
d.Isomorphism
Explanation / Answer
2)If an operation is defined for a super class, which one of the following statements is true?
sol:
a.If the method is not overridden by a subclass, you may not invoke it on any object instances of that subclass.
explanation:we can invoke the super class method from the sub class using dynamic method dispatch
b.All subclasses must override the operation.
explanation : it is wrong there is need not to override the function
c.The operation may not be redefined (overridden) in a subclass. All subclasses inherit the behavior from their super class.
explanantion:no there may be a need to override the function according to user requirement.
d.Some subclasses may override the operation and some may not.
3) The ability to send the same message to a number of object instances of different classes and have different behaviors executed, is referred to as what?
a.Polymorphism
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