TOOLS AND TECHNIQUES FOR COMPILER DESIGN
LLVM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In C++, both constructors and destructors can be virtual
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Explanation: Constructor and Destructor this can not be declared as virtual. Explanation: For automatic objects, constructors and destructors are called each time the objects Enter and leave scope.
Detailed explanation-2: -Virtual destructors in C++ are used to avoid memory leaks especially when your class contains unmanaged code, i.e., contains pointers or object handles to files, databases or other external objects. A destructor can be virtual.
Detailed explanation-3: -There can be only one destructor in a class.
Detailed explanation-4: -Constructors can take arguments but destructors cannot. Destructors can be overloaded but constructors cannot be overloaded.
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