- Making http requests using okhttp
- putExtra (Intent)
- getSystemService (Context)
- onRequestPermissionsResult (Fragment)
- IOException (java.io)
Signals a general, I/O-related error. Error details may be specified when
calling the constructor, a
- Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences.
Every Charset can decode
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- 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
- 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