import java.util.Random; class DuplicatedWithCast { void m(String... args) { final byte b = 127; switch (new Random().nextInt()) { case b -> System.out.println("b=" + b + ";"); case 127-> System.out.println("sweet spot"); } switch (args[0]) { case null -> System.out.println("null1"); case null -> System.out.println("null2"); default -> System.out.println("default"); } } }