- Running tasks concurrently on multiple threads
- setRequestProperty (URLConnection)
- scheduleAtFixedRate (ScheduledExecutorService)
- orElseThrow (Optional)
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
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- UnknownHostException (java.net)
Thrown when a hostname can not be resolved.
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- ResourceBundle (java.util)
ResourceBundle is an abstract class which is the superclass of classes which
provide Locale-specifi
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
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