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AutoBoxing and unboxing are features added in Java 5 to work with primitive data types and their corresponding wrapper classes. They are implemented c... 阅读全文
posted @ 2015-10-16 15:31
glf2046
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http://www.javaworld.com/article/2074979/java-concurrency/double-checked-locking--clever--but-broken.html 阅读全文
posted @ 2015-10-16 15:30
glf2046
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The following program prints out all distinct words in its argument list. Two versions of this program are provided. The first uses JDK 8 aggregate op... 阅读全文
posted @ 2015-10-16 15:29
glf2046
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Java coding style:1. Factory method should be stateless.State normally refers to the member variables of class. Stateless, more precisely, it means im... 阅读全文
posted @ 2015-10-16 15:28
glf2046
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# lock across processe.g. Server handles request from different clients, there clients are essentially different processes, they could potentially wri... 阅读全文
posted @ 2015-10-16 15:27
glf2046
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The answer is pretty simple -- use it when you actually need something it provides that synchronized doesn't,like timed lock waits, interruptible lock... 阅读全文
posted @ 2015-10-16 15:26
glf2046
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http://github.thinkingbar.com/lookup-objsize/memeory algnment:http://github.thinkingbar.com/alignment/ 阅读全文
posted @ 2015-10-16 15:25
glf2046
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http://www.javamex.com/tutorials/synchronization_final.shtmlThread-safety with the Java final keywordAs of Java 5, one particular use of the final key... 阅读全文
posted @ 2015-10-16 15:25
glf2046
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