Assume java.util.Date$[]$ dates $=$ new java.util.Date$[10],$ which of the following statements are true?

A$.$ dates is null.

B$.$ dates$[0]$ is null.

C$.$ dates $=$ new java.util.Date$[5]$ is fine, which assigns a new array to dates.

D$.$ dates $=$ new Date$()$ is fine, which creates a new Date object and assigns to dates.