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Java Collections waste (or lack thereof)

If you are a performance freak who makes sure every collection is initialized with the “right” size then don’t be: http://java.dzone.com/articles/java-collection-waste. In all fairness, notice the caveat at the end, though I also suspect that won’t be an issue. :)

Edit 18 Aug 2019: See the Java Collections Tutorial on Java Code Geeks for a nice introduction to Java’s Collections.

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A note on Weblogic JMS Queue pending + current messages count

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