- Updating database using SQL prepared statement
- getSupportFragmentManager (FragmentActivity)
- onRequestPermissionsResult (Fragment)
- addToBackStack (FragmentTransaction)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- BitSet (java.util)
The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- LinkedList (java.util)
Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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