programming a simple generics class in java

public class MySimpleGenerics {

 

    public static void main(String a[]){

         

        //we are going to create SimpleGeneric object with String as type parameter

        SimpleGeneric<String> sgs = new SimpleGeneric<String>("JAVA2NOVICE");

        sgs.printType();

        //we are going to create SimpleGeneric object with Boolean as type parameter

        SimpleGeneric<Boolean> sgb = new SimpleGeneric<Boolean>(Boolean.TRUE);

        sgb.printType();

    }

}

 

/**

 * Here T is a type parameter, and it will be replaced with

 * actual type when the object got created.

 */

class SimpleGeneric<T>{

     

    //declaration of object type T

    private T objReff = null;

     

    //constructor to accept type parameter T

    public SimpleGeneric(T param){

        this.objReff = param;

    }

     

    public T getObjReff(){

        return this.objReff;

    }

     

    //this method prints the holding parameter type

    public void printType(){

        System.out.println("Type: "+objReff.getClass().getName());

    }

}