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An output stream that writes bytes to a file. If the output file exists, it can
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This class consists exclusively of static methods that operate on or return
collections. It contains
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Timers schedule one-shot or recurring TimerTask for execution. Prefer
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Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
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An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
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