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![Genius Mutero](https://secure.gravatar.com/avatar/5716e0bce8f6815358be475392852fea?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Genius Mutero
15,121 PointsFailing to declare a rock variable as a list
Hi i am failing to declare the rock variable as a list. I have tried the following but its bieng rejected
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 }
2 Answers
![KRIS NIKOLAISEN](https://secure.gravatar.com/avatar/65d74a723997b41a80d2d909c6e06960?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
KRIS NIKOLAISEN
54,969 PointsSince your list contains Rocks try Rock instead of String
![Abdullah Ahmad](https://secure.gravatar.com/avatar/e70e9185598a3ef86058440c3c92ce88?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Abdullah Ahmad
1,235 PointsThe answer is List<Rock> rocks = new ArrayList<>();