- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- getSharedPreferences (Context)
- notifyDataSetChanged (ArrayAdapter)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- Font (java.awt)
The Font class represents fonts, which are used to render text in a visible way.
A font provides the
- Modifier (javassist)
The Modifier class provides static methods and constants to decode class and
member access modifiers
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