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C++ Program to find Largest among two numbers using function template

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robaa
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2022-11-26
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Write a C++ Program to find Largest among two numbers using function template. Here’s a Simple C++ Program to find Largest among two numbers using function template in C++ Programming Language.

What are Templates in C++ ?

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robaa
2022-11-26
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Templates are the foundation of generic programming, which involves writing code in a way that is independent of any particular type.

 
 

A template is a blueprint or formula for creating a generic class or a function. The library containers like iterators and algorithms are examples of generic programming and have been developed using template concept.

There is a single definition of each container, such as vector, but we can define many different kinds of vectors for example, vector <int> or vector <string>..

Function Template :

The general form of a template function definition is shown here:

 

template <class type> ret-type func-name(parameter list)

{
// body of function
}

Class Template :

Just as we can define function templates, we can also define class templates. The general form of a generic class declaration is shown here:

template <class type> class class-name

{
.
.
.
}

Below is the source code for C++ Program to find Largest among two numbers using function template which is successfully compiled and run on Windows System to produce desired output as shown below :

SOURCE CODE : :

/*  C++ Program to find Largest among two numbers using function template  */

#include <iostream>
using namespace std;

template <class T>
T Large(T n1, T n2)
{
        return (n1 > n2) ? n1 : n2;
}

int main()
{
        int i1, i2;
        float f1, f2;
        char c1, c2;

        cout << "Enter two integers:\n";
        cin >> i1 >> i2;
        cout << Large(i1, i2) <<" is larger." << endl;

        cout << "\nEnter two floating-point numbers:\n";
        cin >> f1 >> f2;
        cout << Large(f1, f2) <<" is larger." << endl;

        cout << "\nEnter two characters:\n";
        cin >> c1 >> c2;
        cout << Large(c1, c2) << " has larger ASCII value.";

        return 0;
}

OUTPUT : :

/*  C++ Program to find Largest among two numbers using function template  */

Enter two integers:
8 3
8 is larger.

Enter two floating-point numbers:
1.2
5.6
5.6 is larger.

Enter two characters:
f
i
i has larger ASCII value. 
Exit code: 0 (normal program termination)

Above is the source code and output for C++ Program to find Largest among two numbers using function template which is successfully compiled and run on Windows System to produce desired output.

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