- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (ScheduledExecutorService)
- setContentView (Activity)
- notifyDataSetChanged (ArrayAdapter)
- BufferedWriter (java.io)
Wraps an existing Writer and buffers the output. Expensive interaction with the
underlying reader is
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Collectors (java.util.stream)
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Github Copilot alternatives