Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trial
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
231,236 PointsPerhaps the video example was using a list of Strings. But this question says "a List that contains Rocks".
So 
List<Rock>