- Creating JSON documents from java classes using gson
- runOnUiThread (Activity)
- startActivity (Activity)
- onRequestPermissionsResult (Fragment)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- BitSet (java.util)
The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- JFileChooser (javax.swing)
- Github Copilot alternatives