- Creating JSON documents from java classes using gson
- addToBackStack (FragmentTransaction)
- getExternalFilesDir (Context)
- getApplicationContext (Context)
- BigInteger (java.math)
An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
- SocketException (java.net)
This SocketException may be thrown during socket creation or setting options,
and is the superclass
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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