- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- getSystemService (Context)
- requestLocationUpdates (LocationManager)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- Comparator (java.util)
A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Reflections (org.reflections)
Reflections one-stop-shop objectReflections scans your classpath, indexes the
metadata, allows you t
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