- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- onRequestPermissionsResult (Fragment)
- getSystemService (Context)
- URL (java.net)
A Uniform Resource Locator that identifies the location of an Internet resource
as specified by RFC
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
- Handler (java.util.logging)
A Handler object accepts a logging request and exports the desired messages to a
target, for example
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- LogFactory (org.apache.commons.logging)
Factory for creating Log instances, with discovery and configuration features
similar to that employ
- Best IntelliJ plugins