- Running tasks concurrently on multiple threads
- notifyDataSetChanged (ArrayAdapter)
- getSupportFragmentManager (FragmentActivity)
- setScale (BigDecimal)
- NumberFormat (java.text)
The abstract base class for all number formats. This class provides the
interface for formatting and
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- 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
- Best IntelliJ plugins