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Differences between J2ee 1.5 & J2EE 1.6

 
Greenhorn
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hi all,

i've just finished j2ee 1.5 tutorial study from oracle java web site, am i qualified enough to seek for j2ee related jobs!?

Has j2ee 1.5 been outdated in the software market market!?

Will it be difficult or easy to study j2ee 1.6 further in a short time, since i 've been using 7-months to study j2ee 1.5 tutorial completely!?

my background is my previous working field is enginerering, and just got a bit j2se development experiences!?

Hope anyone can discuss with me


Thanks in advance,

LA
 
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Hi Hayato,
No, I don't think JEE 5 is not outdated (and from 1.5, J2EE is called as JEE).

It is difficult to provide a timeframe for learning JEE 6 - since you already know 5, you can build on it.
Also, its quite hard to talk about the Job market. The recent trend has been to move away from Enterprise containers, so EJBs may not be much in demand, but JSP/Servlet/JSF remains in demand.
 
Laurence Yip
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Ranganathan Kaliyur Mannar wrote:Hi Hayato,
No, I don't think JEE 5 is not outdated (and from 1.5, J2EE is called as JEE).

It is difficult to provide a timeframe for learning JEE 6 - since you already know 5, you can build on it.
Also, its quite hard to talk about the Job market. The recent trend has been to move away from Enterprise containers, so EJBs may not be much in demand, but JSP/Servlet/JSF remains in demand.



Hi Mannar,

Thanks for your reply first, i have one more follow-up question: for 'The recent trend has been to move away from Enterprise containers' you mentioned, what stuffs will be used instead to write the business layer for a multi-tier web application!? any substituent the market use to write the business logic or they are all implemented by ' JSP/Servlet/JSF' instead.....!?

Thanks for your kindly reply again,

LAW
 
Ranganathan Kaliyur Mannar
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The idea is to have the business logic in a POJO and use CDI/Spring to inject and use them as needed. So, in this case, Tomcat with Spring/CDI would do.
 
Laurence Yip
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Ranganathan Kaliyur Mannar wrote:The idea is to have the business logic in a POJO and use CDI/Spring to inject and use them as needed. So, in this case, Tomcat with Spring/CDI would do.



hi mannar,

i'd also like to ask which version of Spring should i start if i'm just in JEE 1.5!?...More, i've just found that CDI/Spring come from JEE6, should i need to pick up JEE6 first before touching CDI/Spring....!?

LAW
 
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