September 2011
Beginner to intermediate
472 pages
15h 7m
English
Content preview from C++ Programming: A Practical Approach
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398 C++ Programming
10.5 What is the meaning of the following instruction?
out1<<setw(6) << s1.serial;
Ans. It reads s1.serial and writes into a file which is associated with out1 i.e. sphere.txt. setw(6)
reserves six characters irrespective of the number of characters required to display value of
s1.serial.
10.6 Why structure is de ned instead of a class to encapsulate the attributes of a sphere and
a cuboid, respectively?
Ans. Structure should be generally used when attributes of an entity need to be encapsulated.
A class should be defined when attributes and functions associated with an entity are
encapsulated.
10.4 Reading from a File
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