Admin Table of Contents
- 1 Why servlet is in place of CGI?
- 2 What are disadvantages of CGI over servlet?
- 3 What are the advantages of servlet over CGI write the difference between GET and POST method of servlet?
- 4 Why do we use servlets?
- 5 What is CGI and what are its drawbacks?
- 6 What are the disadvantages of servlet?
- 7 What is CGI how servlets are better than CGI?
- 8 What are the advantages of servlets over CGI?
- 9 What’s the difference between CGI and Common Gateway Interface?
- 10 What are the advantages of using servlets in Java?
Why servlet is in place of CGI?
Servlet: A servlet is a Java class which 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 |
|---|---|---|
| Server Indepent | It can use any of the web-server. | It can use the web-server that supports it. |
What are disadvantages of CGI over servlet?
Disadvantages of CGI There are many problems in CGI technology: If the number of clients increases, it takes more time for sending the response. For each request, it starts a process, and the web server is limited to start processes. It uses platform dependent language e.g. C, C++, perl.
What is a servlet What are the advantages of servlets over CGI based applications?
The basic benefits of servlet are as follows: Advertisements. better performance: because it creates a thread for each request not process. Portability: because it uses java language. Robust: Servlets are managed by JVM so no need to worry about momory leak, garbage collection etc.
What are the advantages of servlet over CGI write the difference between GET and POST method of servlet?
Home
| Servlet | CGI (Common Gateway Interface) |
|---|---|
| Servlets are portable. | CGI is not portable. |
| In Servlets, the Java Virtual Machine stays up, and each request is handled by a lightweight Java thread. | In CGI, each request is handled by a heavyweight operating system process. |
Why do we use servlets?
A servlet is a Java programming language class that is used to extend the capabilities of servers that host applications accessed by means of a request-response programming model. Although servlets can respond to any type of request, they are commonly used to extend the applications hosted by web servers.
What is the difference between Java and CGI?
– CGI is a common gateway interface and it is a protocol that is used to run programs on WWW servers. Whereas, Java is a light platform in giving the response when, creating the shell. – CGI is not very scalable and not a secure object oriented platform to use.
What is CGI and what are its drawbacks?
Disadvantages of CGI: In Common Gateway Interface each page load incurs overhead by having to load the programs into memory. Generally, data cannot be easily cached in memory between page loads. There is a huge existing code base, much of it in Perl. CGI uses up a lot of processing time.
What are the disadvantages of servlet?
Disadvantages of Servlet
- One servlet is loaded into JVM.
- When there is a request, there is a thread, not a process.
- Servlet is persistent until it destroys.
- Designing in a servlet is difficult and slows down the application.
- You need a JRE(Java Runtime Environment) on the server to run servlets.
What is the difference between GET and POST method?
Both GET and POST method is used to transfer data from client to server in HTTP protocol but Main difference between POST and GET method is that GET carries request parameter appended in URL string while POST carries request parameter in message body which makes it more secure way of transferring data from client to …
What is CGI how servlets are better than CGI?
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.
What are the advantages of servlets over CGI?
Servlets have a number of advantages over CGI and other API’s. They are: Platform Independence. Servlets are written entirely in java so these are platform independent. Servlets can run on any Servlet enabled web server.
Why is CGI used in modern web servers?
CGI is mainly used for transferring handling of a web request to an external process (like a Perl interpreter). Modern servers (like GlassFish and Tomcat) handle all that internally, though, with no external processes to fire up.
What’s the difference between CGI and Common Gateway Interface?
Common Gateway Interface (CGI): The Common Gateway Interface (CGI) provides the middleware between WWW servers and external databases and information sources. The World Wide Web Consortium (W3C) defined the Common Gateway Interface (CGI) and also defined how a program interacts with a HyperText Transfer Protocol (HTTP) server.
What are the advantages of using servlets in Java?
Java provides very good safety features like memory management, exception handling etc. Servlets inherits all these features and emerged as a very powerful web server extension. Servlets are server side components, so it inherits the security provided by the web server. Servlets are also benefited with Java Security Manager.