Starting Out with C++: Early Objects (9th Edition)
Starting Out with C++: Early Objects (9th Edition)
9th Edition
ISBN: 9780134400242
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
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Chapter 16.4, Problem 16.10CP

Explanation of Solution

Class template:

In C++, a class template is used to create a common version of a class and it does not have any additional code for handling multiple data types.

Defining class template objects:

Definition of class template object is little different from normal class object definition.

  • The difference is, to specify the data type that user want to pass as the type parameter.
  • This data type should be placed inside a pair of an angle brackets, which is followed by the class name is as follows:

  Class_name<int> object_name;

From the above declaration, “int” is a data type for the type parameter of the given class.

Example:

For example, consider the following program which is used to square the given value of any types, in which the class template “List” has been defined and its object has been defined in main() function:

//include the required header files

#include <iostream>

using namespace std;

//class template

template<class T>

//definition of the template class

class List

{

    //declare the class data member

    T x;

    //access specifier for the class member functions

    public:

    //default constructor

    List()

    {

        x=0;

    }

    //this member function is used to get the user input

    void getvalues()

    {

        //get the value from the user

       ;&#x...

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Starting Out with C++: Early Objects (9th Edition)

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