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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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A thread is a thread of execution in a program. The Java Virtual Machine allows
an application to ha
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This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
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This exception is thrown when a timeout expired on a socket read or accept
operation.
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A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
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A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
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