- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- onRequestPermissionsResult (Fragment)
- getSupportFragmentManager (FragmentActivity)
- Runnable (java.lang)
Represents a command that can be executed. Often used to run code in a different
Thread.
- Comparator (java.util)
A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- JOptionPane (javax.swing)
- CodeWhisperer alternatives