- Making http post requests using okhttp
- onRequestPermissionsResult (Fragment)
- setContentView (Activity)
- putExtra (Intent)
- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- ImageIO (javax.imageio)
- Reference (javax.naming)
- Github Copilot alternatives