- Reading from database using SQL prepared statement
- getSystemService (Context)
- putExtra (Intent)
- findViewById (Activity)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- Rectangle (java.awt)
A Rectangle specifies an area in a coordinate space that is enclosed by the
Rectangle object's top-
- Top 12 Jupyter Notebook extensions