If class A is friend of class B and if class B is friend of class C, which of the following is true?
Class C is friend of class A
Class A is friend of class C
Class A and Class C do not have any friend relationship
None of the above
Correct Answer :
B. Class A is friend of class C
Related Questions
The binding that binds a function call at run time is called
early binding
run time binding
late binding
linking
By default, C++ uses the following method of passing arguments
Call-by-Reference
Call-by-Value
Call-by-Pointer
None of the above
A normal C++ operator that acts in a special way on newly defined data types is said to be
Glorified
Encapsulated
Classified
Overloaded
Element double Array[7] is which element of the array?
sixth
seventh
eighth
impossible to tell
The member of a structure can be directly accessed by
->
dot operator
::
>>
When you overload an arithmetic assignment operator, the result
Goes in the object to the right of the operator
Goes in the object to the left of the operator
Goes in the object of which the operator is a member
Must be returned
The members of a class can be made private by
declaring them private
by default they are private
by declaring them in the beginning of the program immediately after main()
they are always public
A direct access file is:
A file in which recoreds are arranged in a way they are inserted in a file
A file in which records are arranged in a particular order
Files which are stored on a direct access storage medium
None of the above
The && and || operators
Compare two numeric values
Combine two numeric values
Compare two Boolean values
Combine two Boolean values
A base class is inherited by
derived class
inline function
constructor
none of the above
Data objects can be initialized when allocating memory using 'new'.
True
False
In case of nested class, enclosing class can directly access the private data member of nested class.
True
False
In C++, the exception handler is invoked with a-
try block
throw exception
catch function
abort()
The following syntax is valid. void inline gram_ panchayat :: show_gram_ panchayat_info().
True
False
The members of a class by default are private.
True
False
Pick out the most appropriate statement
All variables must be declared before they are used
Variables in C++ need not be declared and the type can be assigned dynamically
Variables in C++ can be declared at the end of the program (before the main function terminates)
Variables can not be used explicitly in C++
In a class, only the member function can access data, which is not accessible to outside. This feature is called:
Data security
Data hiding
Data manipulation
Data definition
If class A is friend of class B and if class B is friend of class C, which of the following is true?
Class C is friend of class A
Class A is friend of class C
Class A and Class C do not have any friend relationship
None of the above
One of the major disadvantage with late binding is
the source code should be made available at compile time
the program runs slower
dynamic variables can not be used in the program
static variables can not be used
Pick out the most appropriate statement from the following
references are pointers
array of references can be created
you can not reference a reference variable
all of the above
Which of the following is true about const member functions?
const members can be invoked on both const as well as nonconst objects
const members can be invoked only on const objects and not on nonconst objects
nonconst members can be invoked on const objects as well as nonconst objects
none of the above
The library function exit() causes an exit from
The loop in which it occurs
The block in which it occurs
The function in which it occurs
The program in which it occurs
When a language has the capacity to produce new data type, it is said to be
Reprehensible
Encapsulated
Overload
Extensible
A member function can always access the data
In the object of which it is a member
In the class of which it is a member
In the object of the class of which it is a member
In the public part of its class
Friend function have access to the
private and protected members
public members only
private members only
None of the above are correct
A variable defined within a block is visible
From the point of definition onwards in the program
From the point of definition onwards in the function
From the point of definition onwards in the block
Throughout the function
"[]" Operator is a unary operator.
True
False
In C++, the keyword auto can be used for
Automatic assignment of data to object during instantiation
Automatic call of a function
To declare a local variable
It is not a keyword in C++
A class that contains at least one pure virtual function is called as
pure class
abstract class
base class
derived class
Protected data members can be accessed
Only from the base class itself
Both form the base class and from its derived classes
From the class which is friend of the base class
None of the above are correct