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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
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- Options (org.apache.commons.cli)
Main entry-point into the library.
Options represents a collection of Option objects, which describ
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The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
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