- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- scheduleAtFixedRate (Timer)
- addToBackStack (FragmentTransaction)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- LoggerFactory (org.slf4j)
The LoggerFactory is a utility class producing Loggers for various logging APIs,
most notably for lo
- GridBagLayout (java.awt)
The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
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