JET is a very powerful tool to structure and build Java applications that can run in standalone or multi-tier modes. It is particularly appropriate in the following cases:
- The applications have a life expectancy of over ten years.
- A high level of security is required.
- The applications must be very robust.
- The User Interface must be very responsive even with large numbers of users.
- The User Interface must use minimal bandwidth on the web.
The main modules in JET are:
- Security
- User Interface
- Persistence
- Web services
The best way to get to know JET is to browse through the introduction and then try out the demonstration programs in the tutorial.
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