Java Concurrency in Practice (4)

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    用servlet为例子说明多线程能简化建模。 Historically, operating systems placed relatively low limits on the number of threads that a process could create, as few as several hundred (or even less). As...
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    Using multiple threads can also help achieve better throughput on singleprocessor systems. If a program is single-threaded, the processor remains idle while it waits for a synchronous I/O operation...
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    Threads are sometimes called lightweight processes, and most modern operating systems treat threads, not processes, as the basic units of scheduling.
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    Our goal is to give readers a set of design rules and mental models that make it easier—and more fun—to build correct, performant concurrent classes and applications in Java. Martin Buchholz资深J...

Programming in Scala (1)

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    About the Authors Martin Odersky is the creator of the Scala language. He is a professor at EPFL in Lausanne, Switzerland, and a founder of Scala Solutions Inc. He works on programming languages an...

ActiveMQ in Action (5)

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    Using the request/reply pattern, envision that there are thousands of requests entering the broker every second from many clients, all distributed across many hosts. In a production system, more th...
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    7.3 Implementing request/reply with JMS As described in earlier chapters, messaging is all about the decoupling of senders from receivers. Messages are sent by one process to a broker, and messages...
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    Request/reply messaging in JMS applications Although the JMS spec doesn’t define request/reply messaging as a formal messaging domain, it does provide some message headers and a couple of convenie...
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    Message-oriented middleware (MOM) is best described as a category of software for communication in an asynchronous, loosely-coupled, reliable, scalable, and secure manner among distributed applicat...
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    The purpose of enterprise messaging was to transfer data among disparate systems by sending messages from one system to another. There have been numerous technologies for various forms of messaging...
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