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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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An exception that indicates a failed JDBC operation. It provides the following
information about pro
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ArrayList is an implementation of List, backed by an array. All optional
operations including adding
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This class contains various methods for manipulating arrays (such as sorting and
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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