in Java language

FACMLTI OM ENCINEERING \& INFORMATION TECHNOLOGY QUESITON NO. 5: Given the following UML class Dlagram: (5 Poines) Define the searchForAnEmail(subject: String) method (declared in the Document_Manipulation class). T methods takes the subject of the Email as input and returns an ArrayList(if any) of Email objects that have th same subject that the user is looking for. Hint: You can use: tsubject. equalslgnoreCase() method. (5 Points)