Object Oriented Programming MCQs

Page No. 5

Which of the following is incorrect?


aclass student{ }s;

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bclass student{ }; student s;

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cclass student{ }s[];

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dclass student{ }; student s[5];

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View Answer class student{ }s[];

Which among the following is false?


aObject must be created before using members of a class

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bMemory for an object is allocated only after its constructor is called

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cObjects can’t be passed by reference

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dObjects size depends on its class data members

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How many objects can be declared of a specific class in a single program?


a32768

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b127

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c14

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dAs many as you want

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View Answer As many as you want

Which definition best describes an object?


aInstance of a class

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bInstance of itself

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cChild of a class

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dOverview of a class

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View Answer Instance of a class

Does OOP provide better security than POP?


aAlways true for any programming language

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bMay not be true with respect to all programming languages

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cIt depends on type of program

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dIt’s vice-versa is true

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Which among the following, for a pure OOP language, is true?


aThe language should follow 3 or more features of OOP

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bThe language should follow at least 1 feature of OOP

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cThe language must follow only 3 features of OOP

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dThe language must follow all the rules of OOP

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Exception handling is a feature of OOP.


aTrue

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bFalse

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cA & B

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d None of these

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View Answer True

Which among doesn’t illustrates polymorphism?


aFunction overloading

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bFunction overriding

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cOperator overloading

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dVirtual function

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View Answer Function overriding

Which feature in OOP is used to allocate additional function to a predefined operator in any language?


aOperator Overloading

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bFunction Overloading

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cOperator Overriding

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dFunction Overriding

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View Answer Operator Overloading

___________ underlines the feature of Polymorphism in a class.


aNested class

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bEnclosing class

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cInline function

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dVirtual Function

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View Answer Virtual Function

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