- Running tasks concurrently on multiple threads
- getContentResolver (Context)
- scheduleAtFixedRate (Timer)
- startActivity (Activity)
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- SocketException (java.net)
This SocketException may be thrown during socket creation or setting options,
and is the superclass
- URLEncoder (java.net)
This class is used to encode a string using the format required by
application/x-www-form-urlencoded
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- JOptionPane (javax.swing)
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