import java.util.*;

// IDEA-356148
public class Example {

  public void example() {

    final Map<String, Object> map = Map.of();
      if (Objects.isNull((String) map.get("whatever"))) {
      System.out.println("??");
    }

    final Object obj = "foo";
      if (Objects.isNull((String) obj)) {
      System.out.println("??");
    }
  }

}