- Making http post requests using okhttp
- getApplicationContext (Context)
- setContentView (Activity)
- getSystemService (Context)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- Collectors (java.util.stream)
- Cipher (javax.crypto)
This class provides access to implementations of cryptographic ciphers for
encryption and decryption
- JPanel (javax.swing)
- Github Copilot alternatives