- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- getSystemService (Context)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- LogFactory (org.apache.commons.logging)
Factory for creating Log instances, with discovery and configuration features
similar to that employ
- JOptionPane (javax.swing)
- Best plugins for Eclipse