- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- scheduleAtFixedRate (ScheduledExecutorService)
- addToBackStack (FragmentTransaction)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Format (java.text)
The base class for all formats. This is an abstract base class which specifies
the protocol for clas
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- JPanel (javax.swing)
- CodeWhisperer alternatives