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In order to provide portable and reliable EJB elements, the following restrictions apply to EJB code implementation:
1. Avoid using static non-final fields. Defining all static fields in EJB component as final is recommended. This enables the EJB container to provide instances across multiple JVMs.
2. Avoid starting a using thread or new thread synchronization.
3. Avoid using Swing or AWT functionality. EJBs are server side business elements.
4. Avoid using java.io operations or file access. EJB business elements are meant to use source managers such as JDBC to retrieve and store application data. But deployment descriptors may be used to store .
5. Avoid listening or accepting to socket connections. EJB components are not meant to give network socket functionality. However the specification lets EJB elements act as RMI clients or socket clients.
6. Avoid using the reflection API of java. This restriction enforces Java security.
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You are to write a program name arrayScaling.java that will randomly generate 5000 integer number raging from 1 - 49 and place them in an array. 1. The program will scale thi
No, java is not fully object oriented language due to it does not support "multiple inheritance" and "pointers" which are used in C++. But, by using Interfaces we can execute multi
Explain the difference between pre-emptive scheduling and time slicing ?
The while statement define a loop that iterates as long as condition remains true. In the following instance the control waits till the value of a text field becomes "go":
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coding
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