- Reading from database using SQL prepared statement
- getSystemService (Context)
- getContentResolver (Context)
- getSharedPreferences (Context)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- BigInteger (java.math)
An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Top Vim plugins