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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
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Legacy security code; do not use.
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A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
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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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