- Running tasks concurrently on multiple threads
- setContentView (Activity)
- startActivity (Activity)
- getSupportFragmentManager (FragmentActivity)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- Locale (java.util)
Locale represents a language/country/variant combination. Locales are used to
alter the presentatio
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
- CodeWhisperer alternatives