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A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
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Formats or parses dates and times.This class provides factories for obtaining
instances configured f
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ArrayList is an implementation of List, backed by an array. All optional
operations including adding
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This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
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A task that returns a result and may throw an exception. Implementors define a
single method with no
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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