| EJB
- Concurrency |
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| s | Beans |
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| n | can not
create threads |
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| n | Can not
access threads with java.io |
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| n | Can not
operate directly on sockets |
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| n | Can not
use AWT to interact with user |
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| n | Only use
parameter types allowed by RMI |
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| n | Must
supply a no argument constructor |
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