- Updating database using SQL prepared statement
- setContentView (Activity)
- scheduleAtFixedRate (Timer)
- getApplicationContext (Context)
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- LinkedHashMap (java.util)
LinkedHashMap is an implementation of Map that guarantees iteration order. All
optional operations a
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- IOUtils (org.apache.commons.io)
General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
- Github Copilot alternatives