how to show create date of a file that is saved on AWS cloud

enter image description hereTitle says it.

I wrote a java code on the EC 2 instance but the teacher wants me to show him the create date of that file. How do I do that? I'm new to AWS since this class requires it.

[enter image description here][2]

[2]: https://i.stack.imgur.com/8mDhZ.png Think I've found the way by doing "ls -l"