- Running tasks concurrently on multiple threads
- findViewById (Activity)
- getContentResolver (Context)
- getSupportFragmentManager (FragmentActivity)
- Proxy (java.net)
This class represents proxy server settings. A created instance of Proxy stores
a type and an addres
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Kernel (java.awt.image)
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