Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Java_Enhancement_Proposal
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:JDK_17
|
| gptkbp:aims_to |
control which classes can extend or implement a class or interface
|
| gptkbp:allows |
defining permitted subclasses
|
| gptkbp:enhances |
type safety
|
| gptkbp:introduced |
gptkb:Java_15
|
| gptkbp:is_documented_in |
Open JDK documentation
|
| gptkbp:is_implemented_in |
gptkb:language
|
| gptkbp:is_part_of |
Java language features
|
| gptkbp:is_related_to |
JEP 360: Sealed Types
|
| gptkbp:is_supported_by |
gptkb:software
|
| gptkbp:proposed_by |
Sealed classes and interfaces in Java
JDK community |
| gptkbp:provides |
a way to restrict class hierarchies
|
| gptkbp:requires |
compiler support
|