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CSE 220 EXAM QUESTIONS AND ANSWERS 100% CORRECT | VERIFIED AND APPROVED

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CSE 220 EXAM QUESTIONS AND ANSWERS 100% CORRECT | VERIFIED AND APPROVED Assume that Publication is the root class of an inheritance tree. You want to form a linked list of different publications in the inheritance tree, including Book, Report, Newspaper, etc. What is the best way to create ...

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  • April 22, 2024
  • 48
  • 2023/2024
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CSE 220 EXAM QUESTIONS AND ANSWERS 100%

CORRECT | VERIFIED AND APPROVED




Assume that Publication is the root class of an inheritance tree. You want

to form a linked list of different publications in the inheritance tree, including

Book, Report, Newspaper, etc. What is the best way to create a linked list

using PublListNode and Publication classes?



A.

The PublListNode class contains the Publication class.



B.

The Publication class is derived from the PublListNode class.



C.

The PublListNode class is derived from the Publication class.



D.

,The Publication class contains the PublListNode class. - ✔✔A.

The PublListNode class contains the Publication class.

If the relation between two C++ classes can be best described as "is-a"

relation, we should




A.

contain one class in the other (containment).



B.

define them to be independent of each other.



C.

derive one class from the other (inheritance).



D.

merge them into a single class. - ✔✔C.

derive one class from the other (inheritance)

Consider C++'s typing system. C++ uses (Select all correct answers)

,A. value semantics for its primitive types (such as integer and float) only.



B. both value semantics and reference semantics for its object types.



C. both value semantics and reference semantics for its primitive types .



D. reference semantics for its object types only. - ✔✔B.

both value semantics and reference semantics for its object types.



C.

both value semantics and reference semantics for its primitive types .

What does the following line of code define?



Days operator++(int)



An overloaded operator *



A new class Days.



a new int type. - ✔✔An overloaded operator ++

, What does the following line of code define?



bool operator>(const Cylinder &c)



A virtual function Cylindarer



An overloaded operator >



An overloaded operator &



An overloaded function Cylinder - ✔✔An overloaded operator >

You can define two overloading operations with the same operator name,

but with different parameter types.



True

False - ✔✔True

Which statements or operations will call the destructor of a class? Select all

that apply.

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