Most JDK releases now include preview features, those are disabled by default.
SomeClass.java:123: error: XXX are a preview feature and are disabled by default.
To enable "preview features", some simple flags should be passed to javac
-> javac --enable-preview -source 14 -Xlint:preview SomeClass.java
Most JDK releases now include preview features, those are disabled by default.
SomeClass.java:123: error: XXX are a preview feature and are disabled by default.
To enable "preview features", some simple flags should be passed to
javac
->javac --enable-preview -source 14 -Xlint:preview SomeClass.java