- Running tasks concurrently on multiple threads
- onCreateOptionsMenu (Activity)
- scheduleAtFixedRate (ScheduledExecutorService)
- onRequestPermissionsResult (Fragment)
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- String (java.lang)
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
- Top 12 Jupyter Notebook extensions