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- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- scheduleAtFixedRate (Timer)
- findViewById (Activity)
- Runnable (java.lang)
Represents a command that can be executed. Often used to run code in a different
Thread.
- ResultSet (java.sql)
An interface for an object which represents a database table entry, returned as
the result of the qu
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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