Efficiencies: avoid constructing new Objects, auto boxing, etc. #448
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…trySet iterators - Use static methods to produce Numbers, rather than constructors. - Avoid auto boxing. If primitives are needed, use Obj.parseXXX() - Do not recalculate NodeList.getLength() inside of a loop. It is not cached and is re-calculated on every invocation. Set value outside of the loop. - Avoid constructing new String() objects when not necessary. - Use entrySet iterator, rather than Map.get()
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cached and is re-calculated on every invocation. Set value outside of
the loop.