Usually, we get the general idea that old stuff is useless or garbage.
For instance, if you need to understand in details the concepts of stubs and skeleton, messaging, transparent fail-over, a full description of ejb principles, etc., surely you'll find it on
Mastering Enterprise JavaBeans - Ed Roman.
It's about EJB2, but still a classic, cause the concepts are useful to understand many other technologies like jabber, JMS, EJB3, Web Services, etc.
A new book usually do not waist resources repeating in details full old stuff but still important and present on the base of the new one.
At most, it offers a summary about it.
Very reasonable.
Remember that the new lays on the old, and usually the new is a next step and rarely destroys the prior knowledge, but improves it, extending it.
For instance, if you need to understand in details the concepts of stubs and skeleton, messaging, transparent fail-over, a full description of ejb principles, etc., surely you'll find it on
Mastering Enterprise JavaBeans - Ed Roman.
It's about EJB2, but still a classic, cause the concepts are useful to understand many other technologies like jabber, JMS, EJB3, Web Services, etc.
A new book usually do not waist resources repeating in details full old stuff but still important and present on the base of the new one.
At most, it offers a summary about it.
Very reasonable.
Remember that the new lays on the old, and usually the new is a next step and rarely destroys the prior knowledge, but improves it, extending it.
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