- Running tasks concurrently on multiple threads
- scheduleAtFixedRate (Timer)
- getSharedPreferences (Context)
- startActivity (Activity)
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- Permission (java.security)
Legacy security code; do not use.
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- 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
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
- 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