- Running tasks concurrently on multiple threads
- getSystemService (Context)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- scheduleAtFixedRate (ScheduledExecutorService)
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- PriorityQueue (java.util)
A PriorityQueue holds elements on a priority heap, which orders the elements
according to their natu
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- Logger (org.slf4j)
The org.slf4j.Logger interface is the main user entry point of SLF4J API. It is
expected that loggin
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
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