- Running tasks concurrently on multiple threads
- startActivity (Activity)
- getExternalFilesDir (Context)
- getResourceAsStream (ClassLoader)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- LinkedList (java.util)
Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
- Scanner (java.util)
A parser that parses a text string of primitive types and strings with the help
of regular expressio
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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