- All Superinterfaces:
AttributePREVIEW<ModuleMainClassAttributePREVIEW>
,ClassElementPREVIEW
,ClassFileElementPREVIEW
,WritableElementPREVIEW<ModuleMainClassAttributePREVIEW>
public sealed interface ModuleMainClassAttribute
extends AttributePREVIEW<ModuleMainClassAttributePREVIEW>, ClassElementPREVIEW
ModuleMainClassAttribute
is a preview API of the Java platform.
Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.
Models the
ModuleMainClass
attribute 4.7.27, which can
appear on classes that represent module descriptors.
Delivered as a ClassElement
PREVIEW when
traversing the elements of a ClassModel
PREVIEW.
The attribute does not permit multiple instances in a given location. Subsequent occurrence of the attribute takes precedence during the attributed element build or transformation.
The attribute was introduced in the Java SE Platform version 9.
- Since:
- 22
-
Method Summary
Modifier and TypeMethodDescriptionReturns main class for this module.of
(ClassEntryPREVIEW mainClass) Returns aModuleMainClass
attribute.Returns aModuleMainClass
attribute.Methods declared in interface java.lang.classfile.AttributePREVIEW
attributeMapper, attributeName
Methods declared in interface java.lang.classfile.WritableElementPREVIEW
writeTo
-
Method Details
-
mainClass
ClassEntryPREVIEW mainClass()Returns main class for this module.- Returns:
- main class for this module
-
of
Returns aModuleMainClass
attribute.- Parameters:
mainClass
- the main class- Returns:
- a
ModuleMainClass
attribute
-
of
Returns aModuleMainClass
attribute.- Parameters:
mainClass
- the main class- Returns:
- a
ModuleMainClass
attribute - Throws:
IllegalArgumentException
- ifmainClass
represents a primitive type
-
ModuleMainClassAttribute
when preview features are enabled.