In a class only declaration of the function is there but defintion is not

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Question

In a class only declaration of the function  is there but
defintion is not there then what is that function?

Question Submitted By :: Guest

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Answer Posted By

Re: In a class only declaration of the function is there but defintion is not there then what is that function?

Answer
# 1

virtual function

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Guest

Re: In a class only declaration of the function is there but defintion is not there then what is that function?

Answer
# 2

abstract functions
if u specify any function as abstract,there itself in it's 
home class u can't find solution,u have to define those 
function in the later derived classes through inheritance.

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Santhi

Re: In a class only declaration of the function is there but defintion is not there then what is that function?

Answer
# 3

If a function does't have definition is a pure virtual
function . The class which have the pure virtual function is
called as Abstract Class or Interface.

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Bharat

Re: In a class only declaration of the function is there but defintion is not there then what is that function?

Answer
# 4

In a class only declaration of function is there but 
definition is not there then such functions are called as 
abstract functions.

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Manju

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