- Reading from database using SQL prepared statement
- putExtra (Intent)
- addToBackStack (FragmentTransaction)
- getSupportFragmentManager (FragmentActivity)
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- Collectors (java.util.stream)
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- ImageIO (javax.imageio)
- From CI to AI: The AI layer in your organization