Templates in CPP

Author: SinghLokesh02

Templates_in_CPP.cpp

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+/*
+Question : What is template in C++? and Why we use it?
+
+Answer : Templates are the foundation of generic programming, which involves writing code in a way that is independent of any particular type.
+
+Question : What is the syntax of template in C++?
+
+template <class T>
+class className
+{
+    Body of the class
+};
+*/
+
+#include <iostream>
+using namespace std;
+
+template <class T>
+T add(T a, T b)
+{
+    return a + b;
+}
+int main()
+{
+    int a = 10, b = 20;
+    cout << "Sum of a and b is " << add(a, b) << endl;
+
+    float c = 10.5, d = 20.5;
+    cout << "Sum of c and d is " << add(c, d) << endl;
+    return 0;
+}
+
+                        // ************* Template in Class *************
+
+#include <iostream>
+using namespace std;
+
+template <class T>
+class Arithmetic
+{
+private:
+    T a;
+    T b;
+
+public:
+    void add(T a1, T b1)
+    {
+        cout<<"The sum of Number is : " <<a1 + b1<<endl;
+    }
+    void sub(T a1, T b1)
+    {
+        cout<<"The Subtraction of Number is : " <<a1 - b1<<endl;
+    }
+};
+
+int main()
+{
+
+    Arithmetic<int> ar;
+     ar.add(37,4);
+     ar.sub(266,7);
+
+    Arithmetic<float> ar1;
+     ar1.add(32.56,34.23);
+     ar1.sub(90.98,465.97);
+
+    return 0;
+}