WDD_lec_26 - IntrotoServlets Lec 26 WebBasedEnterprise...

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    Intro to Servlets Lec 26
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    Web-Based Enterprise  Applications in Java Figure shows a simplified view of one application and its layers.
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    Java Servlets Client/ browser  Server Request Response Servlet JVM Extends the functionality of the server by Generating HTML pages dynamically
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    What Do They Do? Anything that java can do (e.g. connect to database services) Handle data/requests sent by users (clients) Create and format results Send results back to user
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    Java Servlets Advantages over other SSP technologies: Can use the Java APIs e.g. JDBC. Persistent between invocations, avoiding process instantiations. Portable across operating systems and servers. Good security. Is integrated closely with the J2EE environment.
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    Software Requirements
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    Software Requirements To use Java servlets, following softwares will be needed J2SE Additional J2EE based libraries for servlets such as servlet-api.jar
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WDD_lec_26 - IntrotoServlets Lec 26 WebBasedEnterprise...

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