- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- notifyDataSetChanged (ArrayAdapter)
- scheduleAtFixedRate (ScheduledExecutorService)
- Socket (java.net)
Provides a client-side TCP socket.
- Date (java.sql)
A class which can consume and produce dates in SQL Date format. Dates are
represented in SQL as yyyy
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Reflections (org.reflections)
Reflections one-stop-shop objectReflections scans your classpath, indexes the
metadata, allows you t
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