Which of the following relationship is known as inheritancerelationship?
‘has-a’ relationship
‘is-a’ relationship
association relationship
none of the above
Correct Answer :
A. ‘has-a’ relationship
Related Questions
"[]" Operator is a unary operator.
True
False
Sharing of common information are achieved by the concept of
Virtual copying
Inheritance
Encapsulation
None of these
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
The binding that binds a function call at run time is called
early binding
run time binding
late binding
linking
The getch() library function
Returns a character when any key is pressed
Returns a character when ENTER is pressed
Display a character on the screen when a key is pressed
Does not display a character on the screen
Friend function have access to the
private and protected members
public members only
private members only
None of the above are correct
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
The new operator always returns a void pointer.
True
False
By default, C++ uses the following method of passing arguments
Call-by-Reference
Call-by-Value
Call-by-Pointer
None of the above
_______ argument(s) are passed in case of binary overloaded operators.
Two
One
No
None of the above
If a friend function is declared inside a class it can access all data members of the class.
True
False
By default, members cannot be inherited.
True
False
Constructor returns void type value.
True
False
Inline function specifier reduces the overheads associated with a normal function call.
True
False
Class members are _______________ by default
Private
protected
public
None of the above are correct
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
A function that is called automatically when an object is created is known as
instantiation
function prototype
constructor
structure
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 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
Element double Array[7] is which element of the array?
sixth
seventh
eighth
impossible to tell
You can read input that consists of multiple lines of text using
The normal cout<< combination
The cin.get() function with one argument
The cin.get() function with two argument
The cin.get() function with three argument
In C++, identifiers have to be declared at the beginning of the blocks.
True
False
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
It is possible to allow non member function access to private members of a class by declaring it as
public
friend
private
not possible
The members of a class by default are private.
True
False
The template function declaration specifies
template class
a generic class
exception
identifier
The member of a structure can be directly accessed by
->
dot operator
::
>>
A constructor cannot be explicitly called.
True
False
Class is similar to a variable.
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