- Updating database using SQL prepared statement
- getSharedPreferences (Context)
- getApplicationContext (Context)
- setRequestProperty (URLConnection)
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Scanner (java.util)
A parser that parses a text string of primitive types and strings with the help
of regular expressio
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Collectors (java.util.stream)
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
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