Difference between jsf, servlet and jsp

JSF is a Java-based web framework. It simplifies web application development by allowing programmers to building component-based user interfaces (UIs). In addition to providing a standard of UI components, JSF also allows developers to build custom UI components through an application programming interface (API). Also, the developers can use JSF to connect the reusable UI components seamlessly with various data sources and server-side event handlers. The programmers can take advantage of JSF to simplify web application development and maintenance by using reusable components. They can even run the web framework on Java application server, and make it render UI components according to targeted clients.

1. Difference Between
JSF, Servlet And
JSP

2. ➢Java Server Faces (JSF)
JSFisaJava-basedwebframework.Itsimplifieswebapplicationdevelopmentbyallowing
programmerstobuildingcomponent-baseduserinterfaces(UIs).Inadditiontoproviding
astandardofUIcomponents,JSFalsoallowsdeveloperstobuildcustomUIcomponents
throughanapplicationprogramminginterface(API).Also,thedeveloperscanuseJSFto
connectthereusableUIcomponentsseamlesslywithvariousdatasourcesandserver-side
eventhandlers.TheprogrammerscantakeadvantageofJSFtosimplifywebapplication
developmentandmaintenancebyusingreusablecomponents.Theycanevenruntheweb
frameworkonJavaapplicationserver,andmakeitrenderUIcomponentsaccordingto
targetedclients.

3. ➢Java Servlet:
ServletisaJava-basedtechnologythataccelerateswebapplicationdevelopmentbyproviding
component-basedmodules.ThedeveloperscanfurtheruseJavaServletasaclasstoextendtheweb
serverandrespondtovarioustypesofincomingrequests.Atthesametime,theJavaprogrammers
canalsouseServlettobuildcustomwebapplicationsbasedonvariedbusinessrequirementsby
takingadvantageofvariousJavaAPIs.TheycanevenuseServlettocollectuserinputthroughweb
forms,presentrecordsretrievedfromvariousdatasources,andgeneratewebpagesonthefly.
ManyprogrammersuseJavaServletasafasteralternativetocommongatewayinterface(CGI).
TheyalsohaveoptiontocreatecustomJavaServletsthroughthepackagesprovidedbyJavaEE-
javax.servletandjavax.servlet.http.JavaServletmakesiteasierforprogrammerstoaccomplisha
numberofwebdevelopmenttasks-readingimplicitHTTPrequest.

4. ➢Java Server Pages (JSP):
JSPisaJava-basedserver-sideprogrammingwhichhelpsdeveloperstocreateweb
applicationsthatsupportdynamiccontent.WhileusingJSP,thedeveloperscanaccessawide
rangeofJavaAPIsaccordingtopreciseprojectneeds.TheycanevenuseJSPtagstoinsertJava
codeintoHTMLpageswithoutwritingadditionalcode.TheJSPcomponentsalsoactjustlike
auserinterfacefortheJavaapplication.TheprogrammersevenhaveoptiontowriteJSPas
textfiles,andintegratethetextfilessmoothlywithHTML,XML,andXHTMLcode.While
writingwebapplicationsinJava,theprogrammerscanuseJSPasarobustalternativeto
commongatewayinterface(CGI).ButthedeveloperscanuseJSPtagstoaccomplishcommon
webdevelopmenttasksbyusingJSPtags.TheycanevenuseJSPasdynamicelementsin
HTML,forcreatingdynamicwebpages,andcollectinguserinputthroughwebforms.

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