- Creating JSON documents from java classes using gson
- runOnUiThread (Activity)
- getExternalFilesDir (Context)
- getSharedPreferences (Context)
- MalformedURLException (java.net)
This exception is thrown when a program attempts to create an URL from an
incorrect specification.
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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