- Reading from database using SQL prepared statement
- getExternalFilesDir (Context)
- getApplicationContext (Context)
- startActivity (Activity)
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- UnknownHostException (java.net)
Thrown when a hostname can not be resolved.
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- SQLException (java.sql)
An exception that indicates a failed JDBC operation. It provides the following
information about pro
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
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