What are the restrictions imposed on Java applets ?


Mostly due to security reasons, the following restrictions are imposed on Java applets:

  • An applet cannot load libraries or define native methods.
  • An applet cannot ordinarily read or write files on the execution host.
  • An applet cannot read certain system properties.
  • An applet cannot make network connections except to the host that it came from.
  • An applet cannot start any program on the host that’s executing it.


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