- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (Timer)
- getApplicationContext (Context)
- getSystemService (Context)
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- LogFactory (org.apache.commons.logging)
Factory for creating Log instances, with discovery and configuration features
similar to that employ
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