- Making http requests using okhttp
- startActivity (Activity)
- getExternalFilesDir (Context)
- getSupportFragmentManager (FragmentActivity)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- BigInteger (java.math)
An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
- JList (javax.swing)
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