Object Oriented Programming MCQs

Page No. 68

Which is the necessary condition to define the base and derived class catch blocks?


aBase class catch should be defined first

✖


bDerived class catch should be defined first

✓


cCatch block for both the classes must not be defined

✖


dCatch block must be defined inside main function

✖


View Answer Derived class catch should be defined first

If classes produce some exceptions, then ______________________


a If classes produce some exceptions, then ______________________

✓


bTheir respective catch blocks are not mandatory

✖


cTheir catch blocks should be defined inside main function

✖


dTheir catch blocks must be defined at the end of program

✖


View Answer If classes produce some exceptions, then ______________________

Which among the following handles the undefined class in program?


aClassNotFound

✖


bNoClassException

✖


cClassFoundException

✓


d ClassNotFoundException

✖


View Answer ClassNotFoundException

If a catch block accepts more than one exceptions then __________________


aThe catch parameters are not final

✖


bThe catch parameters are final

✓


cThe catch parameters are not defined

✖


d The catch parameters are not used

✖


View Answer The catch parameters are final

To catch more than one exception in one catch block, how are the exceptions separated in the syntax?


aVertical bar

✓


bHyphen

✖


c Plus

✖


dModulus

✖


View Answer Vertical bar

Since which version of java is multiple exception catch was made possible?


aJava 4

✖


b Java 5

✖


cJava 6

✖


d Java 7

✓


View Answer Java 7

How many catch blocks can a class have?


aOnly 1

✖


b2

✖


c3

✖


dAs many as required

✓


View Answer As many as required

If catching of base class exception is done before derived class in C++ ________________


aIt gives compile time error

✖


bIt doesn’t run the program

✖


cIt may give warning but not error

✓


dIt always gives compile time error

✖


View Answer It may give warning but not error

The catching of base class exception ___________________________ in java.


aAfter derived class is not allowed by compiler

✖


bBefore derived class is not allowed by compiler

✓


cBefore derived class is allowed

✖


dAfter derived class can’t be done

✖


View Answer Before derived class is not allowed by compiler

If both base and derived class caught exceptions ______________


aThen catch block of derived class must be defined before base class

✓


bThen catch block of base class must be defined before the derived class

✖


cThen catch block of base and derived classes doesn’t matter

✖


dThen catch block of base and derived classes are not mandatory to be defined

✖


View Answer Then catch block of derived class must be defined before base class

Goto Page No.

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