- Running tasks concurrently on multiple threads
- findViewById (Activity)
- onRequestPermissionsResult (Fragment)
- requestLocationUpdates (LocationManager)
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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- Scanner (java.util)
A parser that parses a text string of primitive types and strings with the help
of regular expressio
- 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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