INTRODUCTION TO TEMPLATES

*Mr.A.N.Shah, **Mr. N. N. Shah
*P.G. Student,Computer Department, C.U.Shah College of Engineering & Technology, Wadhwan City
**Lecturer (E.C.), R.K. University school of Engineering, Rajkot.

ABSTRACT

Templates allow us to define generic class and function. So it supports generic programming. Generic programming is an approach where generic types are used as parameters in algorithms so that they work for a variety of suitable data types and data structures. A template can be used to create a family of classes or functions. For example, it can be used with class like student etc and it also can be used for function mul() etc. A template is also known as a kind of macro. Whenever template is created for any class it required substituted data types. Since template is define with a parameter for classes or functions so it is sometime called as parameterized classes or functions.

The main aim of this thesis is to show various ways to use template either with function or class.

INTRODUCTION

Template is one which supports generic class and function. So it supports generic programming. Generic programming is an approach where generic types are used as parameters in algorithms so it supports variety of suitable data types and data structures.

CLASS TEMPLATE

Following is syntax of class template. template class class-name { //………… // class members specification // with anonymous type T // whenever appropriate //………… };

As shown in syntax we can give any valid name in place of T. Now consider the following class, class student { int rno; public: void input() { coutrno; } void display() { cout