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Java™
by example!
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What is a SandBox?
The security sandbox was introduced in JDK1.0 as a way to prevent Applets to do something nasty to a user's machine. JDK1.0 Applets cannot access the hard drive or can only make network connections to the host where the applet resides. A serious limitation! Since JDK1.1, Applets can be digitally signed, giving it more capabilities. The idea is that if an applet is not trusted it will not be able to perform any malicious activities. If it is trusted, the user is asked to decide to grant access to all resources or none, an all-or-nothing kinda choice. JDK1.2 security is based on fine-grained control, allowing you to specify that a certain Applet that is signed by a certain person is able to perform a certain operation.
Further Information
Author of answer: Joris Van den Bogaert
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In-house 