- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- startActivity (Activity)
- getContentResolver (Context)
- FileReader (java.io)
A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- BigDecimal (java.math)
An immutable arbitrary-precision signed decimal.A value is represented by an
arbitrary-precision "un
- Socket (java.net)
Provides a client-side TCP socket.
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Time (java.sql)
Java representation of an SQL TIME value. Provides utilities to format and parse
the time's represen
- ZipFile (java.util.zip)
This class provides random read access to a zip file. You pay more to read the
zip file's central di
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