- Reading from database using SQL prepared statement
- onRequestPermissionsResult (Fragment)
- getApplicationContext (Context)
- getSystemService (Context)
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An abstraction for a native pointer data type. A Pointer instance represents, on
the Java side, a na
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
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