Java Servlet Programing Laungage

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;
public class RegisterServlet extends HttpServlet
{
	public void doGet(HttpServletRequest request,HttpServletResponse response) 
	throws ServletException,IOException
	{
	 response.setContentType("text/html");
	 PrintWriter out=response.getWriter();
	 String name=request.getParameter("txtName");
	 String password=request.getParameter("password");
	try
	{
	
  
	 Class.forName("oracle.jdbc.driver.OracleDriver");
	 Connection con=DriverManager.getConnection
		 ("jdbc:oracle:thin:@localhost:1521:xe","system","oracle");
	 PreparedStatement stmt=con.prepareStatement
		 ("insert into LoginDetails values(?,?)");
	 stmt.setString(1, name);
	 stmt.setString(2, password);
	 int i=stmt.executeUpdate();
	 out.println("<b>You are successfully Registered</b>");
	 con.close();
	}
	catch(Exception e)
	{
	 out.println("<b>Registration failed</b>");
	 out.println("<b>Error:</b>" +e);
	}
	}
}