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An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
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A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
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A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
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ArrayList is an implementation of List, backed by an array. All optional
operations including adding
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Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
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