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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.
program to find the frequency of a digit in a number
The last exercise of each assignment will be continuous from assignment to assignment and will have the goal of building an e-store website by the end of the course. Date & Tim
1. Inception : In the mean while the inception phase, you work out the business part for the project. You also will be creating a rough cost estimate and return on investment.
What is Initializing Fields ? Fields can (and often should) be initialized while they're declared, just like local variables. class Car { String licensePlate = ""; // e.g
Wechat and SugarCRM Project Description: Seeking the partner able to develop wechat program to integrate with SugarCRM. Wechat Official Account able to perform some functi
Need the following code in double var instead of integer. import javax.swing.*; public class arrayVar { public static void main (String[] args) //This is our main method prompt
sina+cosb+tanc
1. The purpose of this problem is to practice using ArrayLists.Write a Java client file containing a mainmethod plus other methods as needed to solve the following problem (no clas
Video course on computer security needed Project Description: We want a video course on computer security. Just like the way lynda provides. Skills required are Computer S
public class Foothill { public static void main(String[] args) { Client person_1 = new Client("Bruce Ruprecht", 16000, 10); Writer writer_1 = new Writer("Adam Buf
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