A field access expression may access a field of an object or array, a reference to which is the value of either an expression or the special keyword
super . Identifier ClassName
. super . Identifier
The meaning of a field access expression is determined using the same rules as for qualified names (§126.96.36.199), but limited by the fact that an expression cannot denote a package, class type, or interface type.
It is also possible to refer to a field of the current instance or current class by using a simple name (§188.8.131.52).
The type of the Primary must be a reference type T, or a compile-time error occurs.
The meaning of the field ...