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C++ Program to implement Stack using template

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robaa
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2022-11-26
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Write a C++ Program to implement push and pop methods from stack using template. Here’s a Simple C++ Program to implement Stack using 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 implement Stack using template which is successfully compiled and run on Windows System to produce desired output as shown below :

SOURCE CODE : :

/*  C++ Program to implement Stack using template  */

    #include <iostream>
        #include <string>
        using namespace std;

        template <class T>
        class Stack
        {
        public:
                Stack();
                void push(T i);
                T pop();
        private:
                int top;
        T st[100];
        };

        template <class T>
        Stack<T>::Stack()
        {
                top = -1;
        }

        template <class T>
        void Stack<T>::push(T i)
        {
                st[++top] = i;
        }

        template <class T>
        T Stack<T>::pop()
        {
                return st[top--];
        }

        int main ()
        {
                Stack<int> int_stack;
                Stack<string> str_stack;
                int_stack.push(67);
                str_stack.push("Hello");
                str_stack.push("Codezclub");
                cout << int_stack.pop() << endl;
                cout << str_stack.pop() << endl;
                cout << str_stack.pop() << endl;
                return 0;
        }

OUTPUT : :

/*  C++ Program to implement Stack using template  */

67
Codezclub
Hello

Process returned 0

Above is the source code and output for C++ Program to implement Stack using template which is successfully compiled and run on Windows System to produce desired output.

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