- Running tasks concurrently on multiple threads
- requestLocationUpdates (LocationManager)
- notifyDataSetChanged (ArrayAdapter)
- getSupportFragmentManager (FragmentActivity)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
- CodeWhisperer alternatives