import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

public class JacksonImmutableClass {

    private final String x;
    private final String y;

    @JsonCreator
    public JacksonImmutableClass(@JsonProperty("x")  String x, @JsonProperty("y") String y) {
        this.x = x;
        this.y = y;
    }
}