Symbols in Interllij IDEA

Common

Icon	Description
	Class
	Abstract Java class
	Annotation
	Enumeration
	Exception
	Final Java class
	Interface
	Java class that contains declaration of the main() method.
	Test case
	Java class located out of the source root. Refer to the section Configuring Content Roots for details.
	Java class excluded from compilation.
	Method
	Abstract method
	Field
	Variable
	Property
	Parameter
	Element
	Directory
	Module
	Group of modules
	Package
	Source root
	Test root
	Excluded root
	Resources
	Test resources
	Generated source roots
	Generated test source roots
Visibility modifiers
	Read-only class, e.g. from a jar of an external library.
	private
	protected
	package protected
	static
	public