- Making http requests using okhttp
- getApplicationContext (Context)
- getContentResolver (Context)
- findViewById (Activity)
- URI (java.net)
A Uniform Resource Identifier that identifies an abstract or physical resource,
as specified by RFC
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Timestamp (java.sql)
A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- XPath (javax.xml.xpath)
XPath provides access to the XPath evaluation environment and expressions.
Evaluation of XPath Expr
- Top 12 Jupyter Notebook extensions