- Creating JSON documents from java classes using gson
- getSystemService (Context)
- getApplicationContext (Context)
- compareTo (BigDecimal)
- Calendar (java.util)
Calendar is an abstract base class for converting between a Date object and a
set of integer fields
- NoSuchElementException (java.util)
Thrown when trying to retrieve an element past the end of an Enumeration or
Iterator.
- 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
- JFrame (javax.swing)
- JTextField (javax.swing)
- Best IntelliJ plugins