- Reading from database using SQL prepared statement
- getExternalFilesDir (Context)
- scheduleAtFixedRate (Timer)
- findViewById (Activity)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Table (com.google.common.collect)
A collection that associates an ordered pair of keys, called a row key and a
column key, with a sing
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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