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Servlet and JSP

Dynamic websites using Java Framework  Earlier most of the dynamic websites were created using java framework like Servlet JSP But these methods of creating dynamic websites are quite outdated now. Servlet It is a java framework used to create dynamic websites. There could be many servlets handling different aspects of the websites. All these servlets are hosted on a servlet container. JSP - Java Server Page It is a java framework used to create dynamic websites. It is similar to servlet but there exists some differences like Servlet has html code into java code whereas JSP has java code into html
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Websites

Websites A website is a collection of web pages which in turn is a document with .html extension contains html content or codes. Types of websites :- Static A static website is one where content is fixed and same content is visible to all the users. Dynamic A dynamic website is one where content changes in real-time.
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Web - Client architecture

Web - Client architecture It works in following ways :- Whenever  a User types an URL in browser A request is sent to the DNS server IP address is mapped to the Domain name Request is then sent to actual server of the website This server process the client's request and generates a response Responee is then sent from server to the client
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HTTP-Hyper Text Transfer Protocol

HTTP It is a protocol used for communication between client and server for exchanging data over network. Working :- Client sends a request to Server Server process the Client's request Server responses to Client's request by sending a reply HTTP Request-methods There are different ways in which a client can send request to a server called request methods. Request-methods are :- GET       - retrieve an existing file  PUT        - upload file POST      - request to create a new file DELETE  - remove an existing file
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CSS - Shadow Effect

CSS - Shadow Effect <html> <head>           <style>                   .abc                {                   color:red;                   font-size:25px;                    text-shadow:1px -1px 0 #767676;                }         </style> </head> <body>           <div class="abc">              Shadow Effect           </div> </body> </html> output:
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CSS - Cascading Style Sheet

CSS- Cascading Style Sheet CSS is a set of rules (or formatting properties) that applies to a specific element in the web-page. It is mainly used for formatting or designing the web-page contents. CSS can be included in three different ways :- Inline  Embedded under HEAD tag External Style-sheet example: 1. INLINE <html> <head> </head> <body>           <div class="abc">               <p style="color:red;"> Hello World </p>           </div> </body> </html> output: 2. Embedded under HEAD tag <html> <head>           <style>               .abc              {                 color:green;       ...
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