Applets vs. Servlets

Difference Between Applets and Servlets We call a program written in Java that can be set in an…

Difference Between Applets and Servlets

We call a program written in Java that can be set in an HTML page, an applet. A Java enabled browser can be used to view the Web page containing the applet. When the page containing an applet is viewed, the code of the applet is transferred to the user computer and executed on the Java Virtual Machine (JVM) of the browser. Servlet is nothing but a programme in JAVA that is usedeither to extend or improve the server’s functionality. The server should be accessed by host application using the request- response model. In simple terms, a servlet can be seen as a Java applet on the server manager.

What is an Applet?

A program written in Java that can be set in an HTML page is known as applet. The license of a Java browser can be used to view the Web page containing the applet. When the page containing an applet is viewed, the code of the applet is transferred to the user computer and executed on the Java Virtual Machine (JVM) of the browser. Applets can provide the user with interactive features that might not be possible to be provided by HTML only. Since the code of the applet is run on JVM, applets are platform independent (supports Microsoft Windows, UNIX, Mac OS, etc.) and can run in any browser that supports Java. In addition, applets are recognized by most web browsers. Thus, applets can be loaded quickly by returning to a web page. When it comes to security, there are two types of applets called signed applets and unsigned applets. Unsigned applets have some important limitations such as inability to access the local file system. They can only access the applet download site on the web. Signed applets can behave as a stand alone application as soon as its signature is verified.

What is a Servlet?

Servlet is nothing but a programme in JAVA that is usedeither to extend or improve the server’s functionality. The server should be accessed by host applications using the request- response model. In simple terms, a servlet can be seen as a Java applet on the server manager. Servlets are especially used to store / process data that have been submitted using an HTML form and provide dynamic content in a Web page. In addition, servlets are used to manage public information. Java servlets is effective, easier to use and portable compared to other CGI (Common Gateway Interface) technology.

What is the difference between Applets and Servlets?

A Java program that can be attached in an HTML page and that can be viewed using a Java enabled browser is called an applet. On the other hand, Servlet is nothing but a programme in JAVA that is usedeither to extend or improve the server’s functionality. Actually, a servlet can be seen as an applet functioning on the server. An applet something that needs to be downloaded on to the machine of the client and that runs on the browser of the client too, while a servlet runs on the server and reports the results to the client when it is done. While using applets, the entire code of the applet must be transferred to the customer. Thus, it uses more frequency band than servlets, which only transfers only the results to the client.

 

 

 

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