Wrapper Classes example

import java.io.*;

class Const1

{

        private int sno;

        private String sname;

        Const1()

        {

                System.out.println("Constructor Called");

                sno = 0;

                sname = "";

        }

        void getdetails() throws IOException

        {

                BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

                String line;

                System.out.print("Enter Sno : ");

                line = br.readLine();

                sno = Integer.parseInt(line);

                System.out.print("Enter Sname : ");

                sname = br.readLine();

        }

       void putdetails()

        {

                System.out.println("Sno : " + sno);

                System.out.println("Sname : " + sname);

        }

        public static void main(String args[]) throws IOException

        {

                Const1 c1 = new Const1();

                c1.putdetails();

                c1.getdetails();

                c1.putdetails();

        }

}