JDK-8007427 : Annotation element as '_' gives compiler error instead of a warning
- Type: Bug
- Component: tools
- Sub-Component: javac
- Affected Version: 8
- Priority: P3
- Status: Closed
- Resolution: Fixed
- Submitted: 2013-02-01
- Updated: 2013-06-11
- Resolved: 2013-02-14
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
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| JDK 8 |
|---|
8 b82Fixed  |
Related Reports
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Relates :
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Description
Sample test case:
//Annotation with _ as one of the elements
@interface MyAnno {
int _() default 0;
}
// Element Value pair
@MyAnno(_=2)
class test{}
Compilation output:
test.java:3: warning: '_' used as an identifier
int _() default 0;
^
(use of '_' as an identifier might not be supported in future releases)
test.java:6: warning: '_' used as an identifier
@MyAnno(_=2)
^
(use of '_' as an identifier might not be supported in future releases)
test.java:6: error: ')' expected
@MyAnno(_=2)
^
test.java:6: error: class, interface, or enum expected
@MyAnno(_=2)
^
test.java:6: error: class, interface, or enum expected
@MyAnno(_=2)
^
3 errors
2 warnings
Errors in the above output are unexpected.
JLS rule in section 9.6 states the following:
AnnotationTypeElementDeclaration:
AbstractMethodModifiersopt Type Identifier ( ) DefaultValueopt ;
Comments
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