JAVA Applet Toolkets

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JAVA AppletToolkets
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What are Java applets?

• Are programs executed by a browser
• A Java applets does not have a single executable
  file
• It contained within class files

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How Java applets work

• Downloaded from the World Wide Web by a Web
  browser
• Run inside an HTML Web pages

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Differences between Applets and Applications

• Applications are standalone Java programs
• Applets are run from inside a Web browser
• Security

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The Restrictions

• Cant read or write to the readers file system
• Cant communicate with any network server
• Cant run any programs on the readers system
• Cant load programs native to the local platform

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Java Toolkit

• Add multimedia effects to web pages
• Offers greater control
• The products are a diverse group
• -Simple toolkits
• -multipurpose development environments
• Build interactivity

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Categories

• Simple Toolkits
• Presentation-oriented packages
• Application-development environments

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Simple Toolkits

• Reducing the process of authoring Java to bare
  essentials.
• Ex AppletAce and Activator Pro

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Presentation-oriented packages

• Building an applet by inserting media files and
  controlling your presentation by selecting
  properties for each object
• Ex ActionLine and Liquid Motion Pro

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Application-development environments

• The workspace is more closely resembled the
  environment found in visual software-development
  tools.
• It can collect data or offer database queries
  from a Web page.
• Ex Jumba

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Future Trend

• Java Bean, a specification for interchangeable
  Java components, is being developed by Suns
  JavaSoft division
• Not all Java class libraries will be moved to
  Java Beans specification, the most popular
  multimedia techniques are sure to be written as
  Java Beans
• Interchangeable components can only enhance the
  appeal of Java

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Shocking Sites

• Macromedias own galley
• Http//www.macromedia.com/shockwave/epicenter
• Turntable Medias sampler of CD-quality audio
• Http//www.turntable.com/hifi
• The Collaboratorium galley
• Http//www.article19.com/collaboratorium/shock

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Demo

• JUMBA