- Running tasks concurrently on multiple threads
- getApplicationContext (Context)
- addToBackStack (FragmentTransaction)
- getOriginalFilename (MultipartFile)
Return the original filename in the client's filesystem.This may contain path
information depending
- PrintWriter (java.io)
Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
- URLConnection (java.net)
A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Top 12 Jupyter Notebook extensions