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Trail: Security in JDK 1.2

Lesson: Quick Tour of Controlling Applets

This lesson gives a brief introduction to some of the new security features. It shows how resource accesses, such as reading or writing a file, are not permitted for applets unless explicitly allowed by a permission in a policy file.

The steps for this lesson are

  1. Observe Applet Restrictions

  2. Set Up a Policy File to Grant the Required Permission

  3. See the Policy File Effects

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