- Making http post requests using okhttp
- findViewById (Activity)
- getExternalFilesDir (Context)
- getContentResolver (Context)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- ImageIO (javax.imageio)
- JLabel (javax.swing)
- Top plugins for WebStorm