- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- getSupportFragmentManager (FragmentActivity)
- onCreateOptionsMenu (Activity)
- Runnable (java.lang)
Represents a command that can be executed. Often used to run code in a different
Thread.
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- BorderLayout (java.awt)
A border layout lays out a container, arranging and resizing its components to
fit in five regions:
- Modifier (javassist)
The Modifier class provides static methods and constants to decode class and
member access modifiers
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