JSP and Servlets
The Difference Between

What is the difference between an applet and a servlet?


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2013-09-23 01:08:49
2013-09-23 01:08:49

Applet is a part of Core JAVA and Servlet of Advance Java. Applet is client side program and Servlet is Server side. When Applet runs it take the resources of client whereas Servlet is processed at server. An Applet's class, jar files can be accessed and downloadable by client but not so in case of servlet. Applets can run under any web browser their execution is dependent on Client as they require JRE Whereas Servlets do not require any thing specific at client side, as they require java enabled web/application Server. Dilpreet Singh (SCJP,OCA 9i)
The main difference is that a servlet is a server side component while applet is a client side component, moreover, a servlet doesn't have GUI while applet have GUI. A servlet runs inside a server and results are sent to client, so it consumes less network bandwidth, and also secure, while applet runs on client side in a browser, so entire code for applet is 1st sent to client and then it is executed on the client machine itself, so it also consumes more network bandwidth.


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Answer:Java Applet is a kind of application that running on the client's browser, when a browser request a applet embedded page, the applet will downloaded to the client computer and executed within the browser. Servlets is a application that running on the server, when a server receive a request of a servlet, the server will process the servlet and give the result to the client back after the servlet is done.

Applet: It is run on browser, i mean client side. Servlet: It is run on server, i mean server side.

The major difference between an applet and a widget is that a widget has a host software system. An applet is an application.

Java Applet is an application designed to transmit on internet to execute on java compatible browsers. Java Servlet is a server side program used to provide services to clients.

(This is a bit subjective). Servlets can integrate easily into an existing Java application or applet, simply because a servlet is just another class, which is a fundamental concept taught to almost every java programmer.

The difference is that a GenericServlet has no defined protocol (it is "generic"), while HttpServler uses the HTTP protocol. HttpServlet is a subclass of GenericServlet with the purpose of creating a servlet for a web site.

Networking is a basic action. A servlet in Java is a single part of networking, a single task.

Applet is an executable file that is automatically downloaded when we open a browser. Swing applications can operate on local data when the network is not there.

A Java applet is embedded within a web page, while a Java application will run directly on your computer.

Fundamentally there are many differences but in general, Frame is the one that can be accessed only in standalone environment where as the applet can be embedded and invoked in an HTML page.

A Servlet is part of a web application. A Web server is the server on which this web application is deployed. Ex of web server - Websphere, Weblogic, Tomcat etc.

1.applet has a life cycle while awt doesn't 2.awt is ued for web based applications whereas awt for window based. .....garima

An applet runs within a browser page, or similarly within some other application. An "application" is more independent (it usually does need an operating system, but nothing else).

JSP:Front End or User Interface LayerCan contain HTML, Javascript and Java codeGets converted to a servlet before executionServlet:Back end or Server layerCan contain only Java code

applets are tiny applications on web sites like a flash game on addicting games application software is an application that is actually saved to your hard drive. unless you use a flash ripper on a applet then the applet is still counted as an applet

apache web server is a webserver. tomcat is a servlet container.

A LOCAL applet is the one which is stored on our computer system.when browser try to access the applet, it is not necessary for our computer to be connected to The Internet. A REMOTE applet is the one which is not stored on our computer system and we are required to be connected to the Internet. PARITOSH Khanna Happy Programing

A java class is code that describes the attributes and the methods for an object. A java applet is a small program that can be placed within a web page, like a small game or a calculator.

A Java Applet is a class which is intended to be run from within a web browser. Java Swing is an entire package of classes and interfaces which is dedicated to providing a comprehensive collection of GUI elements.

In normal java programs main method is included and executed in Command prompt. In Applets main method is not present and executed in browser Applet programs provide more user friendly environment too.

applet is for browsers like firefox, chrome or IE "well, An applet is a program written in the Java programming language that can be included in an HTML page, much in the same way an image is included in a page. When you use a Java technology-enabled browser to view a page that contains an applet, the applet's code is transferred to your system and executed by the browser's Java Virtual Machine (JVM). For information and examples on how to include an applet in an HTML page, refer to this description of the <APPLET> tag. The difference between the applet and swing is as mentioned below: 1.Applets are Java programs which are capable of being run within a browser. Swing is a GUI framework. 2. Applet belongs to java.awt package and swing belongs to javax.swing.* package. 3. Applet is a heavy weight component but swing comes under light weight component's category. 4.Swing is a set of classes under JFC that provide lightweight visual component , enable creation of attractive GUI. But Applet is heavyweight component and needs web browser or tool known as AppletViewer."

First of all, let's assume that by "lint" you mean "init." There are two methods called at the beginning of an applet's lifetime: Applet.init() - Called to tell the applet that it has been loaded into the system. You should use this method to initialize any resources used by the applet. Applet.start() - Called to tell the applet that it should start running. start() is always called after init()

A temporary servlet is started when a request arrives and shut down after the response is generated. A permanent servlet is loaded when the server is started and lives until the server is shut down. * This is useful when startup costs are high, such as a servlet that establishes a connection to a database. * Also useful for permanent serverside service, such as an RMI server. * Provides faster response to client requests when this is crucial. Being temporary or permanent is part of the server configuration.

applet is the tiny java program while java bean is a reusable software component.

ServletContext Defines a set of methods that a servlet uses to communicate with its servlet container.ServletConfig is a servlet configuration object used by a servlet container used to pass information to a servlet during initialization. All of its initialization parameters can ONLY be set in deployment descriptor.The ServletContext object is contained within the ServletConfig object, which the Web server provides the servlet when the servlet is initialized.You can specify param-value pairs for ServletContext object in tags in web.xml file.The ServletConfig parameters are specified for a particular servlet and are unknown to other servlets. The ServletContext parameters are specified for an entire application outside of any particular servlet and are available to all the servlets within that application.By Santanu

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