- Running tasks concurrently on multiple threads
- getResourceAsStream (ClassLoader)
- putExtra (Intent)
- getSharedPreferences (Context)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- MessageFormat (java.text)
Produces concatenated messages in language-neutral way. New code should probably
use java.util.Forma
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- JFrame (javax.swing)
- Top 12 Jupyter Notebook extensions