- Running tasks concurrently on multiple threads
- findViewById (Activity)
- getSystemService (Context)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- HttpURLConnection (java.net)
An URLConnection for HTTP (RFC 2616 [http://tools.ietf.org/html/rfc2616]) used
to send and receive d
- Path (java.nio.file)
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Point (java.awt)
A point representing a location in (x,y) coordinate space, specified in integer
precision.
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