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Return the contained value, if present, otherwise throw an exception to be
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This class generates cryptographically secure pseudo-random numbers. It is best
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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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An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
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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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The LoggerFactory is a utility class producing Loggers for various logging APIs,
most notably for lo
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