- Making http post requests using okhttp
- getSupportFragmentManager (FragmentActivity)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- setContentView (Activity)
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- ConnectException (java.net)
A ConnectException is thrown if a connection cannot be established to a remote
host on a specific po
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Collections (java.util)
This class consists exclusively of static methods that operate on or return
collections. It contains
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- Top 12 Jupyter Notebook extensions