- Running tasks concurrently on multiple threads
- findViewById (Activity)
- notifyDataSetChanged (ArrayAdapter)
- putExtra (Intent)
- BufferedWriter (java.io)
Wraps an existing Writer and buffers the output. Expensive interaction with the
underlying reader is
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Permission (java.security)
Legacy security code; do not use.
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
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