C H A P T E R  8

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Concurrency

Concurrency is one of the toughest topics to handle in modern computer programming; understanding concurrency requires the capacity of thinking abstractly, and debugging concurrent problems is like trying to pilot an airplane by dead reckoning. Even so, with today's Java 7, it has become easier (and more accessible) to write bug-free concurrent code.

Let's start with definitions; concurrency is the ability of a program to execute different (or the same) instructions at the same time. A program that is said to be concurrent has the ability to be split up and run on multiple cpus. By making concurrent programs, you ...

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