I don't think anyone has mentioned yet that this exact feature (with the "is" keyword) is actually coming to Java as a preview feature in Java 14- https://open

I don't think anyone has mentioned yet that this exact feature (with the "is" keyword) is actually coming to Java as a preview feature in Java 14- https://openjdk.java.net/jeps/305 https://openjdk.java.net/jeps/305