- Making http post requests using okhttp
- scheduleAtFixedRate (Timer)
- startActivity (Activity)
- addToBackStack (FragmentTransaction)
- Kernel (java.awt.image)
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Annotation (javassist.bytecode.annotation)
The annotation structure.An instance of this class is returned bygetAnnotations() in AnnotationsAttr
- ImageIO (javax.imageio)
- Sublime Text for Python