- Running tasks concurrently on multiple threads
- notifyDataSetChanged (ArrayAdapter)
- getExternalFilesDir (Context)
- setContentView (Activity)
- BufferedReader (java.io)
Wraps an existing Reader and buffers the input. Expensive interaction with the
underlying reader is
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Collectors (java.util.stream)
- XPath (javax.xml.xpath)
XPath provides access to the XPath evaluation environment and expressions.
Evaluation of XPath Expr
- Top 12 Jupyter Notebook extensions