// "Remove unreachable branches" "true-preview"
import java.util.concurrent.ThreadLocalRandom;

class Test {

  void test(Number n) {
      n = 1;
      switch (n) {
        case <caret>Integer i when i == 1 -> {
          int rand = ThreadLocalRandom.current().nextInt();
          if (rand > 10) {
            i = 2;
          }
          else {
            i = 3;
          }
          System.out.println(i);
        }
        case Long s -> System.out.println(s);
        default -> System.out.println();
      }
  }
}