- Running tasks concurrently on multiple threads
- requestLocationUpdates (LocationManager)
- scheduleAtFixedRate (Timer)
- getSupportFragmentManager (FragmentActivity)
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- Base64 (org.apache.commons.codec.binary)
Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
- FlowLayout (java.awt)
A flow layout arranges components in a left-to-right flow, much like lines of
text in a paragraph. F
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
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