COM defines an API to allow for the creation of components for use in integrating custom applications or to allow diverse components to interact.
But in order to interact, components must adhere to a binary structure specified by Microsoft.
As long as components adhere to this binary structure, components written in different languages can interoperate.
What is deep copy?
What is shallow?
Can you please explain the order in which constructors are called when an object of a derived class is created?
Which of the following statement is correct about constructors? A. A constructor has a return type. B. A constructor cannot contain a function call. C. A constructor has no return type. D. A constructor has a void return type.
To ensure that every object in the array receives a destructor call, always delete memory allocated as an array with operator __________ . A. destructor B. delete C. delete[] D. kill[] E. free[]
Which of the following gets called when an object is being created? A. constructor B. virtual function C. destructor D. main
Which of the following statement is correct whenever an object goes out of scope? A. The default constructor of the object is called. B. The parameterized destructor is called. C. The default destructor of the object is called. D. None of the above.
Can a class have virtual destructor? A. Yes B. No
What happens when a class with parameterized constructors and having no default constructor is used in a program and we create an object that needs a zero-argument constructor? A. Compile-time error. B. Preprocessing error. C. Runtime error. D. Runtime exception.
A constructor that accepts __________ parameters is called the default constructor. A. one B. two C. no D. three
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