- Running tasks concurrently on multiple threads
- getSystemService (Context)
- getSharedPreferences (Context)
- onRequestPermissionsResult (Fragment)
- ConnectException (java.net)
A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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