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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
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Thrown when trying to retrieve an element past the end of an Enumeration or
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Patterns are compiled regular expressions. In many cases, convenience methods
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Defines a general exception a servlet can throw when it encounters difficulty.
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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This Graphics2D class extends the Graphics class to provide more sophisticated
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