Answered: In c++, define a class for a type…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

In c++, define a class for a type called Counter . An object of this type is used to count things. Include a default constructor that sets the counter to zero and a constructor with one argument that sets the counter to the value
specified by its argument. Write member functions to increase the value by one (called increment ) and decrease
the value by one (called decrement ), don’t let the value go below 0. Write a member function ( print ) that prints
out the value of the counter.
Here’s a driver program that you should include to test your class.

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Bint main()
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Counter cl;
Counter c2(10);
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cout « "C1 starts at ";
cl.print();
cout « endl;
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c1.increment();
c1.increment();
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cout « "C1 now at ";
c1.print();
cout « endl;
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cl = c2;
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c1.decrement();
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cout <« "C1 now at ";
cl.print();
cout « endl;
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return 0;
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