- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- scheduleAtFixedRate (Timer)
- findViewById (Activity)
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- IsNull (org.hamcrest.core)
Is the value null?
- Top plugins for Android Studio