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by rkalla 5440 days ago
+1

Effective Java is a must-read once you understand Java. It points out what is magic and what is not. What takes up processing time and what doesn't.

It pulls the sheet back on the abstractions and shows you how everything works and what you should be aware of.

Doug Lea is a brilliant developer in the concurrency space. With his Executor framework that went into (Java 5?) he suddenly made threaded programming as easy as possible to get right.