- Running tasks concurrently on multiple threads
- addToBackStack (FragmentTransaction)
- scheduleAtFixedRate (Timer)
- getExternalFilesDir (Context)
- 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
- Executor (java.util.concurrent)
An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Options (org.apache.commons.cli)
Main entry-point into the library.
Options represents a collection of Option objects, which describ
- VirtualMachine (com.sun.tools.attach)
A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
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