coding, by Derek Young: Correct use of ConcurrentHashMap
Correct use of ConcurrentHashMap Monday January 7, 2008 by Derek Young ConcurrentHashMap has been pitched as a simple alternative for HashMap, eliminating the need for a synchronized blocks. I had some simple event counting code that created count records on the fly. Although I could have used synchronized blocks for safety I used ConcurrentHashMap for this situation, partly for efficiency but mo
coding, by Derek Young: Scala vs. Groovy: static typing is key to performance
Scala vs. Groovy: static typing is key to performance Thursday September 6, 2007 by Derek Young I was curious about the performance of two of the JVM based languages, Scala and Groovy, relative to Java itself. I suspected that by having more type information available at compile time Scala’s bytecode would look more like the output of javac and therefore have performance closer to that of straigh
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