Sharing of common information are achieved by the concept of
Virtual copying
Inheritance
Encapsulation
None of these
Correct Answer :
B. Inheritance
Related Questions
Which of the following can legitimately be passed to a function?
A constant
A variable
A structure
A header file
The template function declaration specifies
template class
a generic class
exception
identifier
new operator is used
To dynamically allocate storage
To statically allocate storage
To allocate storage for a new variable
None of the above are correct
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
The new operator always returns a void pointer.
True
False
iostream is inheried from istream, ostream and ios class.
True
False
An object is an allocated space in memory.
True
False
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
In C++, the stream base class is
iostream
iofstream
ios
stdio
Inline function specifier reduces the overheads associated with a normal function call.
True
False
Friend function have access to the
private and protected members
public members only
private members only
None of the above are correct
Operator overloading is
Making C++ operators work with objects
Making C++ operators more then they can handle
Giving new meaning to existing c++ operators
Making new C++ operators
Protected members cannot be inherited.
True
False
this' is an implicit pointer.
True
False
When one object initializes another object the following function is invoked
copy constructor
new
instantiation
none of the above
By default, members cannot be inherited.
True
False
The && and || operators
Compare two numeric values
Combine two numeric values
Compare two Boolean values
Combine two Boolean values
ios containes a pointer to streambuf.
True
False
Constructor returns void type value.
True
False
What is the output of the following program segment - for(i = 1, j = 0; i < 10; i++) j += i; cout <<i<<"
";
10
20
55
there is an error in the program
Member function cannot be called from within a constructor.
True
False
The string table in C++ holds the
string constants in your program
program statements in string form
variables whose type is of string
none of the above
The break statement causes an exit
Only from the innermost loop
Only from the innermost switch
From all loops and switch
Only from the innermost loops or switch
Class is similar to a variable.
True
False
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
Which of the following relationship is known as inheritancerelationship?
‘has-a’ relationship
‘is-a’ relationship
association relationship
none of the above
In a for loop with a multi-statement loop body, semicolons should appear following
The for statement itself
The closing brace in a multi-statement loop body
Each statement within the loop body.
The test expression
A function that is called automatically when an object is destroyed is known as
instantiation
function prototype
constructor
destructor
A destructor can have arguments like constructor.
True
False