What is URL pattern of a servlet?
The url-pattern element of a servlet-mapping or a filter-mapping associates a filter or servlet with a set of URLs. When a request arrives, the container uses a simple procedure for matching the URL in the request with a url-pattern in the web.
How is CGI better than servlet?
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. On the contrary, the servlet first translates and compile the program then process it.
What is Tomcat Web xml?
XML. The web. xml file is derived from the Servlet specification, and contains information used to deploy and configure the components of your web applications. When configuring Tomcat for the first time, this is where you can define servlet mappings for central components such as JSP.
What is servlet example?
Simply put, a Servlet is a class that handles requests, processes them and reply back with a response. For example, we can use a Servlet to collect input from a user through an HTML form, query records from a database, and create web pages dynamically.
What is difference between Java Servlet and CGI?
Servlet is a Java class that is used to extend the capabilities of servers that host applications accessed by means of a request-response model….Difference between Java Servlet and CGI.
| Basis | Servlet | CGI |
|---|---|---|
| Language Used | The codes are written in JAVA programming language. | The codes are written any programming language. |
How do I link HTML and servlet?
How to handle HTML form data with Java Servlet
- method=”post”: to send the form data as an HTTP POST request to the server. Generally, form submission should be done in HTTP POST method.
- action=”URL of the servlet”: specifies relative URL of the servlet which is responsible for handling data posted from this form.