- Better performance: because it creates a thread for each request, not process.
- Portability: because it uses Java language.
- Robust: JVM manages Servlets, so we don’t need to worry about the memory leak, garbage collection, etc.
- Secure: because it uses java language.
Which of the following are the advantages of servlet specification?
The servlet
is safe
because, servlet inherits Java with all features like memory management, exception handling, multi-threading, garbage collection and emerged as a very powerful web server extension. The servlet is secure.It is nothing but applying Authentication and Authorization on the Web Application.
What are the disadvantages of JSP?
- It is hard to trace JSP pages error because JSP pages are translated to servlet.
- As JSP output is HTML, it is not rich in features.
- It is very hard to debug or trace errors because JSP pages are first translated into servlets before the compilation process.
- Database connectivity is not easy.
What is a servlet What are the advantages of servlets over CGI based applications?
Servlet
provide better performance that CGI
in terms of processing time, memory utilization because servlets uses benefits of multithreading and for each request a new thread is created, that is faster than loading creating new Object for each request with CGI. … Servlets are easy to maintain and scalable.
What are the advantages of servlets over applets?
Servlets are under the server security.
Applets utilize more network bandwidth as it executes on the client machine
. Servlets are executed on the servers and hence require less bandwidth. Requires java compatible browser for execution.
Is JSP better than servlet?
Servlets are faster as compared to JSP
, as they have a short response time. JSP is slower than Servlets, as the first step in the JSP lifecycle is the conversion of JSP to Java code and then the compilation of the code. Servlets are Java-based codes. … JSPs are easier to code, as here Java is coded in HTML.
What is servlet life cycle?
A servlet life cycle can be defined as
the entire process from its creation till the destruction
. … The servlet is initialized by calling the init() method. The servlet calls service() method to process a client’s request. The servlet is terminated by calling the destroy() method.
What are the two main types of servlet?
- Generic servlets. Extend javax. servlet. GenericServlet. Are protocol independent. …
- HTTP servlets. Extend javax. servlet. HttpServlet. Have built-in HTTP protocol support and are more useful in a Sun Java System Web Server environment.
What are the functions of Servlet container?
- Lifecycle management : Managing the lifecycle events of a servlet lik class loading, instantiation, initialization, service, and making servlet instances eligible for garbage collection.
- Communication support : Handling the communication between servlet and Web server.
What is JSP life cycle?
A JSP life cycle is defined as
the process from its creation till the destruction
. This is similar to a servlet life cycle with an additional step which is required to compile a JSP into servlet.
Is JSP a front end?
JavaServer Pages (JSP) is a Java standard technology that enables you to write dynamic, data-driven pages for your Java web applications. … While it is not uncommon to see JSP used
as the frontend
for older JSF applications, Facelets is the preferred view technology for modern JSF implementations.
Are Servlets and JSP still used?
5 Answers. When not using a MVC framework like JSF, Spring MVC, Struts, etc, you still need a servlet to do the basic request/response controlling job.
The JSPs –
while under the covers indeed being compiled to servlets- should be used as view only, not as controller.
Why is Spring MVC better than Servlets JSP?
Servlets are based upon a low-level API for handling requests and responses. Web frameworks like Spring MVC are
designed to make building web applications
, which handle HTTP requests and responses, easier.
How does a servlet work?
Servlets are the Java programs that run on the Java-enabled web server or application server. They are used to handle the request obtained from the webserver, process the request, produce the response, then send a response back to the webserver. Properties of Servlets are as follows:
Servlets work on the server-side
.
Is CGI better than servlet?
In CGI each arriving client request can generate a separate process while servlet, processes are not created needlessly and share the memory space of the JVM. …
Servlet is more secure than CGI as it uses Java
. The speed, performance and efficiency of the servlet is better than CGI. CGI scripts can be directly processed.
Is servlet a framework?
The Servlet API is
the foundation of almost all Java Web View technologies
. Servlet provides the basic mechanism for writing Java classes for web applications. Servlets can respond to HTTP requests, create cookies and maintain sessions.
