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21. The most common operation used in constructors is _____

A. addition
B. overloading
C. assignment
D. polymorphism

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22. When a function performs tasks based on a decision, it has _____

A. functional cohesion
B. coincidental cohesion
C. logical cohesion
D. no cohesion

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23. To create a template class, you begin with _________

A. the template definition
B. the keyword class
C. the function definitions
D. the keyword definition

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24. Which of the following is a C++ object?

A. >>
B. read()
C. cin
D. iostream

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25. A variable is _____

A. an item of data
B. a memory location whose value can change while the program is running
C. a memory location whose value cannot change while the program is running

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