- Making http post requests using okhttp
- getApplicationContext (Context)
- onRequestPermissionsResult (Fragment)
- getSystemService (Context)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- Selector (java.nio.channels)
A controller for the selection of SelectableChannel objects. Selectable channels
can be registered w
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- JButton (javax.swing)
- Table (org.hibernate.mapping)
A relational table
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