- Updating database using SQL prepared statement
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- scheduleAtFixedRate (Timer)
- getSystemService (Context)
- FileNotFoundException (java.io)
Thrown when a file specified by a program cannot be found.
- PriorityQueue (java.util)
A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- TimerTask (java.util)
The TimerTask class represents a task to run at a specified time. The task may
be run once or repeat
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
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