- Reading from database using SQL prepared statement
- getSharedPreferences (Context)
- addToBackStack (FragmentTransaction)
- getSupportFragmentManager (FragmentActivity)
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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- Format (java.text)
The base class for all formats. This is an abstract base class which specifies
the protocol for clas
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
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