- Creating JSON documents from java classes using gson
- addToBackStack (FragmentTransaction)
- getSharedPreferences (Context)
- getSupportFragmentManager (FragmentActivity)
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
- ImageIO (javax.imageio)
- Github Copilot alternatives