- Running tasks concurrently on multiple threads
- setRequestProperty (URLConnection)
- getContentResolver (Context)
- getSharedPreferences (Context)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- TimeUnit (java.util.concurrent)
A TimeUnit represents time durations at a given unit of granularity and provides
utility methods to
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
- CodeWhisperer alternatives