- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- scheduleAtFixedRate (ScheduledExecutorService)
- findViewById (Activity)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- ResultSet (java.sql)
An interface for an object which represents a database table entry, returned as
the result of the qu
- Stream (java.util.stream)
A sequence of elements supporting sequential and parallel aggregate operations.
The following exampl
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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