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A readable source of bytes.Most clients will use input streams that read data
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Wraps either an existing OutputStream or an existing Writerand provides
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This exception is thrown when a program attempts to create an URL from an
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A connection represents a link from a Java application to a database. All SQL
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A Map is a data structure consisting of a set of keys and values in which each
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SortedSet is a Set which iterates over its elements in a sorted order. The order
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