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An output stream that writes bytes to a file. If the output file exists, it can
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HashSet is an implementation of a Set. All optional operations (adding and
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A Set is a data structure which does not allow duplicate elements.
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Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
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A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
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