- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- setContentView (Activity)
- findViewById (Activity)
- FileNotFoundException (java.io)
Thrown when a file specified by a program cannot be found.
- InetAddress (java.net)
An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
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