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Fundamentals of Computer Programming and IT by Pearson
book

Fundamentals of Computer Programming and IT by Pearson

by Ashok Namdev Kamthane, Rohit Khurana
May 2024
Intermediate to advanced content levelIntermediate to advanced
577 pages
22h 34m
English
Pearson India
Content preview from Fundamentals of Computer Programming and IT by Pearson
Binding, Polymorphism and Virtual Functions 489
Class A
Class B Class C Class D Class E
Derived
classes
Base class
Figure 19.4 Early and Late Binding of Functions
19.7 PURE virtual FUNCTIONS
In practical applications, the member functions of base classes is rarely used for doing any operation; such
functions are called as do-nothing functions, dummy functions, or pure virtual functions. The do-nothing
function or pure functions are always virtual functions. Normally pure virtual functions are defined
with null-body. This is so because derived classes should be able to override them. Any normal function cannot
be declared as pure function. After ...
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Publisher Resources

ISBN: 9781299447479