- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- getContentResolver (Context)
- getApplicationContext (Context)
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- GridBagLayout (java.awt)
The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
- Window (java.awt)
A Window object is a top-level window with no borders and no menubar. The
default layout for a windo
- JButton (javax.swing)
- Best IntelliJ plugins