- Creating JSON documents from java classes using gson
- setRequestProperty (URLConnection)
- onRequestPermissionsResult (Fragment)
- getSharedPreferences (Context)
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- Executors (java.util.concurrent)
Factory and utility methods for Executor, ExecutorService,
ScheduledExecutorService, ThreadFactory,
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
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