1. Which of the following statements is not correct with regard to Procedural Language?
Answer
Correct Answer:
Data is emphasized over procedure
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2. Which of the following are object oriented programming language?
Answer
Correct Answer:
All of the above are object oriented programming language
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3. Which of the following is honored as the first Object Oriented Programming language having notion of objects, classes and inheritance in it?
Answer
Correct Answer:
Simula
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4. Which of the following is the starting point for program execution in C++?
Answer
Correct Answer:
main function
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5. Inheritance is a process by which the objects of parent class acquire the properties of a child class.
Answer
Correct Answer:
True
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6. What is Abstraction?
Answer
Correct Answer:
An act of representing essential features without including details or working methodology
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7. Which of the following cannot apply to constructors?
Answer
Correct Answer:
Void return type
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8. What is Encapsulation?
Answer
Correct Answer:
Wrapping functions and data into a single unit
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9. What is an Object in Object Oriented Programming?
Answer
Correct Answer:
An entity having state and behavior
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10. The dynamic binding is the linking of a procedure call with the code to be executed at runtime.
Answer
Correct Answer:
True
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11. Which of the following is a benefit derived from using OOPS?
Answer
Correct Answer:
All of the above
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12. Which of the following help increase the code clarity?
Answer
Correct Answer:
Abstraction
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13. Two functions are defined with the same name and same return type. The first one accepts string input parameter type and the second one accepts integer. This represents Abstraction.
Answer
Correct Answer:
False
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14. Which of the following cannot be passed to a function?
Answer
Correct Answer:
Header File
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15. You have three classes named A, B, and C. The class B is derived from class A and class C is derived from B. Which of the following relations are correct for the given classes?
Answer
Correct Answer:
B is a A
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16.
A shared/static method is associated with a Class.
Answer
Correct Answer:
True
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17. What does the following classes (as shown in the given figure) represent? A --> B --> C --> D
Answer
Correct Answer:
Multi-level inheritance
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18. Which of the following types of Inheritance is not known?
Answer
Correct Answer:
Ternary
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19. Object-based programming languages do not support Inheritance and dynamic binding.
Answer
Correct Answer:
True
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20. Which of the following is not a procedural language?
Answer
Correct Answer:
Small talk
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21. Which of the following is an "Intermediate Base Class" with regard to the given figure: Class A --> Class B (Derived) --> Class C (Derived)
Answer
Correct Answer:
Class B
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22. In Java, how many times can classes be nested within a class?
Answer
Correct Answer:
Any number of times
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23. Function Overloading is based upon the number and/or type of arguments passed.
Answer
Correct Answer:
True
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24. How much memory does a function use up within an object?
Answer
Correct Answer:
0 byte
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25. Is it possible to call a main() inside another main() function in C++?
Answer
Correct Answer:
Yes
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26. Which of the following statements are correct?
Answer
Correct Answer:
A class is an instance factory
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27. Which of the following is not correct with regard to a virtual function in C++?
Answer
Correct Answer:
It implements early binding
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28. Which of the following statements are correct with regard to Prototype based programming?
Answer
Correct Answer:
It is a means of achieving object-oriented behavior sharing.
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29. Why is composition considered a simpler method than inheritance?
Answer
Correct Answer:
Composition lacks the namespace clash, and the complicated inheritance hierarchies.
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30. What is the difference between interfaces and abstract classes?
Answer
Correct Answer:
abstract classes can provide default implementation whereas interfaces cannot provide implementations
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31. True or false? Private variables are visible outside of the class.
Answer
Correct Answer:
only through methods
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32. If a system is systematically computing “metadata”, what would you use to define that system?
Answer
Correct Answer:
Attribute grammars.
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33. What class and extension best demonstrate a HAS-A Relationship?
Answer
Correct Answer:
Feline, Lion
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34. Virtual inheritance is:
Answer
Correct Answer:
where only one base class object is created
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35. Programming languages supporting the OOPS paradigm are typically contained within what two classes?
Answer
Correct Answer:
Prototype-based, or class-based.
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36. A clone method is needed to:
Answer
Correct Answer:
to create a second copy of all contained subobjects
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37. What are classes used for?
Answer
Correct Answer:
Classes are used to define specific types.
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38. When two methods have the same name, what are they considered, and what kind of binding do they have?
Answer
Correct Answer:
Overloaded, static.
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39. Semantically, what has happened if the result rendered is non-computational?
Answer
Correct Answer:
Syntactically illegal strings have occurred.
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40. True or false? Static variables are visible outside of the class
Answer
Correct Answer:
depends
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41. An abstract class can:
Answer
Correct Answer:
Be subclassed
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42. True or false? Abstract methods are only defined in the parent.
Answer
Correct Answer:
False
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43. What is the most important trait of a polymorphism?
Answer
Correct Answer:
The common interface.
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44. When a variable is defined within a class, what is it considered?
Answer
Correct Answer:
An instance variable.
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45. A mutator method is also known as a:
Answer
Correct Answer:
setter
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46. Which of the following is included in the field of formal semantics?
Answer
Correct Answer:
The definition of semantic models.
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47. Lambda functions are allowed in class definitions
Answer
Correct Answer:
False
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48. Which of the following could be considered a polymorphism?
Answer
Correct Answer:
The class, “clsCalculation” with two functions, both named “Add”.
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49. True or false? A class can implement one or more interfaces.
Answer
Correct Answer:
True
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50. Which of the following classes allows only one object of it to be created?
Answer
Correct Answer:
Singleton class
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51. If a user were to observe Java code from the outside world, what would they be able to access?
Answer
Correct Answer:
The public methods.
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52. True or false? Using traits gives single inheritance languages most of the power of multiple inheritance.
Answer
Correct Answer:
True
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53. True or false? An interface is another name for a class.
Answer
Correct Answer:
False
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54. Ref counts are:
Answer
Correct Answer:
a way of managing object lifetimes
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55. What is a primary motivation for using OOP?
Answer
Correct Answer:
To increase reusability and maintainability of code.
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