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Wraps either an existing OutputStream or an existing Writerand provides
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An ordered collection (also known as a sequence). The user of this interface has
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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
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Patterns are compiled regular expressions. In many cases, convenience methods
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The GridBagLayout class is a flexible layout manager that aligns components
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