- Running tasks concurrently on multiple threads
- getSystemService (Context)
- onCreateOptionsMenu (Activity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- HttpServer (com.sun.net.httpserver)
This class implements a simple HTTP server. A HttpServer is bound to an IP
address and port number a
- Runnable (java.lang)
Represents a command that can be executed. Often used to run code in a different
Thread.
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Time (java.sql)
Java representation of an SQL TIME value. Provides utilities to format and parse
the time's represen
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
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