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Return the contained value, if present, otherwise throw an exception to be
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A BufferedInputStream adds functionality to another input stream-namely, the
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Wraps an existing Reader and buffers the input. Expensive interaction with the
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An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
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HashSet is an implementation of a Set. All optional operations (adding and
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SortedSet is a Set which iterates over its elements in a sorted order. The order
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An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
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