Answer Posted / rajesh kamble

abstract class contain one or more pure vertual
function ,this types of class contain only the declaration
of method ,it do not have defination of any method,when we
define any abstract class object it not allocate the memory
to any object , and when any object of class will created
it first initialise memory for class and then methods. and
look for the defination for that, for that point of view
when we create object of any abstract class method
defination will not present and memory cannot be allow to
object. any by the compiler it cause the error.

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