protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        String name = request.getParameter("age");
        boolean submitButtonPressed = request.getParameter("submit") != null;
        System.out.print(name);
        try{
            System.out.print(name);
            // To connect to mongodb server
            MongoClient mongoClient = new MongoClient( "localhost" , 27017 );
            // Now connect to your databases
            DB db = mongoClient.getDB( "local" );
            DBCollection coll = db.getCollection("Employee");
            BasicDBObject gtQuery = new BasicDBObject();
            gtQuery.put("Age", new BasicDBObject("$gt", name).append("$lt", 50));
            DBCursor cursor = coll.find(gtQuery);
            int i=1;
            while (cursor.hasNext())
            {
            System.out.println("Inserted Document: "+i);
            System.out.println(cursor.next());
            i++;
                }
            }catch(Exception e){
            System.err.println( e.getClass().getName() + ": " + e.getMessage() );
            }
    }