Developer's Guide to Web Application Security

Coding Functional but Secure Java Applets

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Message digests can be used to ensure data has not been changed.

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Digital signatures can be used to identify entities on the Internet.

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Encryption allows data to remain private, even when transferred over the

Internet.

Q: Why would I want to create my own class loader?

A: Classes your program uses are loaded automatically from the class path directory.

Through object serialization, it is possible to receive objects from another source.

However, what if the object needs to use or create another class that does not

exist in your class path? In this case, if your program tries to use the class, it will

not find it ...