C++ Programming :: Exception Handling

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1. Which of the following is the most preferred way of throwing and handling exceptions?

A. Throw by value and catch by reference.

B. Throw by reference and catch by reference.

C. Throw by value and catch by value

D. Throw the pointer value and provide catch for the pointer type.

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Answer: Option B

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2. An exception specification begins with the keyword

A. exception

B. try

C. throw

D. catch

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Answer: Option C

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3. You can throw

A. a scalar variable

B. one throw of each scale type

C. a programmer-defined class object

D. all of these

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Answer: Option D

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4. The primary purpose of exception specification is

A. documentation

B. object-orientedness

C. structure

D. reduction of code.

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Answer: Option A

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5. A default exception block must be placed

A. first among the catch blocks

B. last among the catch blocks

C. globally at the top of the file

D. at the end of all code in program.

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Answer: Option B

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6. A default catch block catch

A. all thrown objects

B. no thrown objects

C. any thrown objects that has not been caught by an earlier catch block

D. all thrown objects that have been caught by an earlier catch block.

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Answer: Option C

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7. When is std::bad_alloc exception thrown?

A. When new operator cannot allocate memory

B. When alloc function fails

C. When type requested for new operation is considered bad, thisexception is thrown

D. When delete operator cannot delete teh allocated (corrupted) object

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Answer: Option D

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8. Which of the following is not a standard exception built in C++

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Answer: Option A

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