- Running tasks concurrently on multiple threads
- getSystemService (Context)
- getExternalFilesDir (Context)
- onCreateOptionsMenu (Activity)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- From CI to AI: The AI layer in your organization