Class definition

Syntax

Nested classes are allowed; however, classes are only allowed in package blocks and top-level region. When nested in another class, contributes a static property.

ClassDefinition :
class IdentifierName ClassNullability_opt TypeParameters_opt Inheritance Block

ClassNullability :
!

TypeParameters :
. < TypeParameterList ParameterizedGreaterThan

TypeParameterList :
TypeParameter
TypeParameterList , TypeParameter

TypeParameter :
Identifier

Semantics

ClassNullability is currently ignored as exclamation ! is the default for every class.

Class inheritance

Syntax

Inheritance :
«empty»
extends TypeExpression
implements TypeExpressionList
extends TypeExpression implements TypeExpressionList