Top-level and Inner Java Classes

	Top level nested class	Non static inner class	Local class	Anonymous class
Declaration Context	As static class member	As non-static class member	In block with non-static context	In block with non-static context
Accessibility Modifiers	All	All	None	None
Outer instance	No	Yes	Yes	Yes
Direct Access to enclosing context	Static members in enclosing context	All members in enclosing context	All members in enclosing context + local final variables	All members in enclosing context + local final variables
Defines static or non-static members	Both static and non-static	Only non-static	Only non-static	Only non-static
Constructors	Yes	Yes	Yes	No
Can use extends or implements clauses?	Yes	Yes	Yes	No