- Running tasks concurrently on multiple threads
- requestLocationUpdates (LocationManager)
- runOnUiThread (Activity)
- setRequestProperty (URLConnection)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Base64 (org.apache.commons.codec.binary)
Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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