- Making http post requests using okhttp
- getSystemService (Context)
- compareTo (BigDecimal)
- scheduleAtFixedRate (ScheduledExecutorService)
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Wraps an existing Reader and buffers the input. Expensive interaction with the
underlying reader is
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- OutputStream (java.io)
A writable sink for bytes.Most clients will use output streams that write data
to the file system (
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
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