WEEK 4: KNOWLEDGE CHECK

QUIZ INSTRUCTIONS

(CO 4) When you look at applications, some relationships are has-a relationships meaning objects are ____________ of other objects

Group of answer choices

1. assignments

2. unknown

3. aggregates

4.functions

Question 22 pts

(CO 4) In the following car class, what data member declaration illustrates composition: class Car { private: // attributes string model; int year; Engine en;

double price; public: // constructors Car() { model = "unknown"; year = 0; price = 0.0; } };

Group of answer choices

price

en

model

year

(CO 4) Which of the following is not a benefit of composition?

it reduces complexity of a class

It allows reuse of a class in other contexts

It improves testing and troubleshooting

upgrading a class that is an aggregate of another class can never be done.

Question 42 pts

(CO 4) An instance of a class is also known as a(n) _____________.

Group of answer choices

terminate

behavior

class

object