- Running tasks concurrently on multiple threads
- startActivity (Activity)
- onCreateOptionsMenu (Activity)
- addToBackStack (FragmentTransaction)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- JOptionPane (javax.swing)
- Top 12 Jupyter Notebook extensions