- Running tasks concurrently on multiple threads
- requestLocationUpdates (LocationManager)
- scheduleAtFixedRate (Timer)
- getSystemService (Context)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- ByteBuffer (java.nio)
A buffer for bytes. A byte buffer can be created in either one of the following
ways:
* #allocate
- Time (java.sql)
Java representation of an SQL TIME value. Provides utilities to format and parse
the time's represen
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Collectors (java.util.stream)
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