- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- findViewById (Activity)
- runOnUiThread (Activity)
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- TreeMap (java.util)
Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
- Menu (java.awt)
- Best IntelliJ plugins