Object Oriented Programming MCQs

Page No. 45

Which type of inheritance cannot involve private inheritance?


aSingle level


bMultipe


cHybrid


dAll types can have private inheritance



In hierarchical inheritance, all the classes involve some kind of inheritance.


a True


bFalse


cA & B


dNone of these


View Answer False

If class A has two nested classes B and C. Class D has one nested class E, and have inherited class A. If E inherits B and C, then ________________


a It shows multiple inheritance


bIt shows hierarchical inheritance


cIt shows multiple inheritance


dMultiple inheritance among nested classes, and single level for enclosing classes



Which among the following is false?


a If one class inherits the inherited class in single level inheritance, it is multi-level inheritance


b Hybrid inheritance always contains multiple inheritance


cHierarchical inheritance involves inheriting same class into more than one classes


dHybrid inheritance can involve any types of inheritance together



Which among the following is correct for the following code?


a Multi-level inheritance is used, with nested classes


bMultiple inheritance is used, with nested classes


cSingle level inheritance is used, with enclosing classes


dSingle level inheritance is used, with both enclosing and nested classes



If 6 classes uses single level inheritance with pair classes (3 pairs), which inheritance will this be called?


aSingle


bMultiple


cHierarchical


dMultilevel


View Answer Single

Which type of inheritance results in the diamond problem?


a Single level


bHybrid


cHierarchical


dMultilevel


View Answer Hybrid

How many types of inheritance can be used at a time in a single program?


aAny two types


bAny three types


c Any 4 types


dAny type, any number of times



Which among the following best describes multiple inheritance?


aTwo classes being parent of any other classes


bThree classes being parent of other classes


cMore than one class being parent of other child classes


dMore than one class being parent of single child



Which type of inheritance is illustrated by the following code?


aSingle level


bMultilevel and single level


cHierarchical


d Hierarchical and single level



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