- Running tasks concurrently on multiple threads
- putExtra (Intent)
- startActivity (Activity)
- scheduleAtFixedRate (Timer)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- SQLException (java.sql)
An exception that indicates a failed JDBC operation. It provides the following
information about pro
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- Stream (java.util.stream)
A sequence of elements supporting sequential and parallel aggregate operations.
The following exampl
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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