- Creating JSON documents from java classes using gson
- getApplicationContext (Context)
- findViewById (Activity)
- putExtra (Intent)
- Enumeration (java.util)
A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
- LinkedList (java.util)
Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- ImageIO (javax.imageio)
- JFileChooser (javax.swing)
- CodeWhisperer alternatives