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A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
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Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
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A synchronization aid that allows one or more threads to wait until a set of
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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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Is the value null?
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