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Why EJB?

 
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I admit I don't know a lot about EJB. So far I've been discouraged from digging into it because of its complexity, so I've been using other techniques such as servlets. Are EJBs essential technology I should learn about at this point, and why? (This is just a general question; I don't have a particular application in mind.)
--Ed
 
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I do consider EJBs as being essential. The reason being mainly that it's the standard component model present in the J2EE world. Also, there are a slew of products and frameworks out there that are built on or support EJBs so it's kind of mainstream by now. At least you won't do any harm by learning the technology. The more important question in my opinion would be, how thoroughly one should study the EJB technology?
 
With a little knowledge, a cast iron skillet is non-stick and lasts a lifetime.
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