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A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
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A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
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A Handler object accepts a logging request and exports the desired messages to a
target, for example
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Patterns are compiled regular expressions. In many cases, convenience methods
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Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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