- Making http post requests using okhttp
- scheduleAtFixedRate (Timer)
- getSystemService (Context)
- getResourceAsStream (ClassLoader)
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- TimeUnit (java.util.concurrent)
A TimeUnit represents time durations at a given unit of granularity and provides
utility methods to
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- LogFactory (org.apache.commons.logging)
Factory for creating Log instances, with discovery and configuration features
similar to that employ
- Table (org.hibernate.mapping)
A relational table
- Top 12 Jupyter Notebook extensions