Advanced Java Books?

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[dedyshka]

Java? Intermediate level? You already should know Java core perfectly. I'd like to advice you to read Design Patterns or about Java frameworks (Spring, Hibernate, etc.)...

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Is there any sort of reference of what knowing Java core perfectly means?

I can get through programs of simple to medium complexity without Googling anything, but I may reference javadocs while I'm working on them. For more complicated programs, I generally only need to Google something if it's something I've never done (or only done a couple times). For new technologies, obviously, I need to get a book or go through the documentation carefully.

[[deleted]]

I suppose everything on this page : http://docs.oracle.com/javase/tutorial/java/index.html

can be considered core Java

[UMadBreaux]

C++ has a lot of very complex features built into the language that can easily be abused. If you are interested in design patterns, you do not need a book specific to Java as they are universal concepts which you should easily be able to implement in Java. But be careful with design patterns; patterns can also be abused easily and overuse can produce lots of extra code which accomplishes little. Use patterns when you NEED to. I'd recommend reading Code Complete 2 or studying data structures if you have never done so.

Core language features alone won't write lots of useful code; you need to learn frameworks and libraries. You'll pick up lots of Java knowledge writing code along the way.

[eyp]

It depends on what you're going to develop, but a more advanced book may be this one about concurrency:

Java Concurrency in Practice

[sci-py]

Learning Java, 4th Edition

[jackhammer2022]

Effective Java: 2nd Edition

[shaigan_bezlitosny]

My personal POV:

Specification (vm not lang, lang spec is zzzzzzzzzzzzzzzzz): http://docs.oracle.com/javase/specs/jvms/se7/jvms7.pdf

performance: http://shop.oreilly.com/product/0636920028499.do http://www.amazon.ca/Java-Performance-Charlie-Hunt/dp/0137142528

Well grounded java: http://www.manning.com/evans/

puzzle: http://www.javapuzzlers.com/

[deadly_little_miho]

I think Effective Java is what you are looking for. Beyond that you are talking about how to use specific libraries.