- Running tasks concurrently on multiple threads
- onCreateOptionsMenu (Activity)
- getExternalFilesDir (Context)
- addToBackStack (FragmentTransaction)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- ResourceBundle (java.util)
ResourceBundle is an abstract class which is the superclass of classes which
provide Locale-specifi
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- GridLayout (java.awt)
The GridLayout class is a layout manager that lays out a container's components
in a rectangular gri
- Top 12 Jupyter Notebook extensions