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COMP 249 Midterm questions and answers Object-Oriented Programming II Concordia University 2024 CA$17.70
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COMP 249 Midterm questions and answers Object-Oriented Programming II Concordia University 2024
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COMP 249 Midterm questions and answers Object-Oriented Programming II Concordia University 2024

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  • March 6, 2024
  • 17
  • 2023/2024
  • Exam (elaborations)
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COMP 249 Midterm questions and
answers Object-Oriented Programming
II Concordia University 2024

, lOMoARcPSD|10754654




COMP-249 : Objected Oriented Programming, Summer

COMP 249 – Midterm -- Answer

Time : (1 hour 15 minutes)

Instructions:

No notes, books, calculators or other electronic devices are allowed.
Answer all questions on the notebook.

Identification:
Last Name:

First Name :

Student ID :

Signature:


Marking scheme:

Question Mark Question Mark
1 /2.5 21 /2.5
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20 /2.5 40 /2.5


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, lOMoARcPSD|10754654




Total /100



Section 1 (Question 1-28) Multiple choice questions. If answers are more than one, the
question indicates [Check all correct answers]
1. The keyword extends indicates:

(a) encapsulation
(b) polymorphism
(c) inheritance
(d) none of the
above Answer: C

2. A derived class is also called a

(a) sub class
(b) super class
(c) base class
(d) all of the
above Answer: A

3. In Java, a derived class can have base class(es).

(a) one

(b) two
(c) three
(d) there is no
limit Answer: A




2

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