- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- runOnUiThread (Activity)
- getExternalFilesDir (Context)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- GridLayout (java.awt)
The GridLayout class is a layout manager that lays out a container's components
in a rectangular gri
- Top plugins for Android Studio