Aakarsha JDBC PrepStatement

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package college;
import java.sql.*;

public class College {
    public static void main(String[] args) {
        // TODO code application logic here
        Connection con;
        PreparedStatement pstmt;
        try
        {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            con=DriverManager.getConnection("jdbc:odbc:Aakarshap");
            pstmt=con.prepareStatement("Select eName from Employee where eNum=?");
            pstmt.setString(1, args[0]);
            ResultSet rst=pstmt.executeQuery();
            if(rst != null)
            while(rst.next())
            {
                   System.out.println(rst.getString("eName"));
            }
            else
                System.out.println("No record found");

        }
        catch(ClassNotFoundException ce)
        {
            System.out.println("Error"+ce);
        }
    catch(SQLException se)
    {
        System.out.println("Error"+se);
    }
    }

}