13 lines
407 B
Java
13 lines
407 B
Java
// interfaces/SealedInterface.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// {NewFeature} Since JDK 17
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sealed interface Ifc permits Imp1, Imp2 {}
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final class Imp1 implements Ifc {}
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final class Imp2 implements Ifc {}
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sealed abstract class AC permits X {}
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final class X extends AC {}
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