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A Uniform Resource Locator that identifies the location of an Internet resource
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A connection to a URL for reading or writing. For HTTP connections, see
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Thrown when a hostname can not be resolved.
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A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
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HashMap is an implementation of Map. All optional operations are supported.All
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A Window object is a top-level window with no borders and no menubar. The
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