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- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- findViewById (Activity)
- getExternalFilesDir (Context)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- InputStream (java.io)
A readable source of bytes.Most clients will use input streams that read data
from the file system (
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- HttpURLConnection (java.net)
An URLConnection for HTTP (RFC 2616 [http://tools.ietf.org/html/rfc2616]) used
to send and receive d
- SocketException (java.net)
This SocketException may be thrown during socket creation or setting options,
and is the superclass
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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