- Running tasks concurrently on multiple threads
- startActivity (Activity)
- getSharedPreferences (Context)
- getResourceAsStream (ClassLoader)
- FileNotFoundException (java.io)
Thrown when a file specified by a program cannot be found.
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Scanner (java.util)
A parser that parses a text string of primitive types and strings with the help
of regular expressio
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
- Component (java.awt)
A component is an object having a graphical representation that can be displayed
on the screen and t
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