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Questions and Answers

Abstract class in C++:

may represent a parameter type of a function or method

is useful for declaring interfaces to other classes (correct)

may represent the result type of a function

may represent a type of pointer and object reference (correct)

output:

1:(),2:(***)

t1:(*), t2:(***)

1:(***),2:(*)

1:(*),2:(***) (correct)

The order of creating members of a compound object in C++ is as follows:

constructor body, object fields, virtually inherited class objects, non-virtual base classes

object fields, constructor body, virtually inherited class objects, non-virtual base classes

object fields, constructor body, non-virtual base classes, virtually inherited class objects

virtually inherited class objects, non-virtual base classes, object fields, constructor body (correct)

Class destructor in C++ has the property:

It is called automatically when the object of the corresponding type is removed from memory Signup and view all the answers

The 'this' keyword in C++ has the following properties:

is only available in the body of class methods, and is automatically initialized Signup and view all the answers

execution of the program will display :

11 Signup and view all the answers

Select one:

a 2-parameter class template which declares an indexing operator Signup and view all the answers

Constructors in C++ do NOT have properties:

overloaded constructors will have different names Signup and view all the answers

Encapsulation in C++ has the following properties:

The private members of a class are only accessible from the objects of the same class Signup and view all the answers

The following declaration in C++:

class complex; class Test { void fun() throw ( int, complex ); };

declares:

a private method that can generate exceptions of types: int, complex and derived from complex Signup and view all the answers