- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- findViewById (Activity)
- getContentResolver (Context)
- Proxy (java.net)
This class represents proxy server settings. A created instance of Proxy stores
a type and an addres
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- Comparator (java.util)
A Comparator is used to compare two objects to determine their ordering with
respect to each other.
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Collectors (java.util.stream)
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