- Running tasks concurrently on multiple threads
- findViewById (Activity)
- getContentResolver (Context)
- onRequestPermissionsResult (Fragment)
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- SimpleDateFormat (java.text)
Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
- VirtualMachine (com.sun.tools.attach)
A Java virtual machine.
A VirtualMachine represents a Java virtual machine to which this Java vir
- Graphics2D (java.awt)
This Graphics2D class extends the Graphics class to provide more sophisticated
control overgraphics
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