- Running tasks concurrently on multiple threads
- getSharedPreferences (Context)
- onCreateOptionsMenu (Activity)
- addToBackStack (FragmentTransaction)
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
- Scheduler (org.quartz)
This is the main interface of a Quartz Scheduler. A Scheduler maintains a registry of org.quartz.Job
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