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![Omar Ahmed](https://secure.gravatar.com/avatar/b31e6b2a3e770731ff1910189f5af945?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Omar Ahmed
4,409 PointsI put in exactly what was in the review video but it still wont work?
Fill in the blank to declare the rocks variable as a List that contains Rocks: my answer is in stars below
import java.util.ArrayList; import java.util.List;
public class Main {
public static void main(String[] args) {
*** List<String> *** rocks = new ArrayList<>();
}
}
class Rock {
// omitted
}
1 Answer
![Steven Parker](https://uploads.teamtreehouse.com/production/profile-photos/969492/micro_tool_chess_set_2.jpg)
Steven Parker
230,688 PointsPerhaps the video example was using a list of Strings. But this question says "a List that contains Rocks".
So
List<Rock>