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Questions and Exercises: Doing More With Rich Internet Applications

Questions

1. True or False: Rich Internet applications (RIAs) can set secure properties by prefixing the property name with"jnlp.".
2. True or False: Only signed RIAs can use JNLP API to access files on the client.

Exercises

1. To the following JNLP file, add a secure property calledjnlp.foo and set its value totrue.

   <?xml version="1.0" encoding="UTF-8"?><jnlp spec="1.0+" codebase="" href="">    <information>        <title>Dynamic Tree Demo</title>        <vendor>Dynamic Team</vendor>    </information>    <resources>        <!-- Application Resources -->        <j2se version="1.6+" href=            "http://java.sun.com/products/autodl/j2se" />        <jar href="DynamicTreeDemo.jar" main="true" />    </resources>    <applet-desc        name="Dynamic Tree Demo Applet"       main-class="components.DynamicTreeApplet"       width="300"       height="300">     </applet-desc>     <update check="background"/></jnlp>

Check your answers.