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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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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- VirtualMachine (com.sun.tools.attach)
A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
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