- Reading from database using SQL prepared statement
- runOnUiThread (Activity)
- getSharedPreferences (Context)
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A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- 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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