How to store user data link and connect it with the database? File index

How to store user data and connect it with the database?

유저의 데이터를 어떻게 저장하고 어떻게 데이터 베이스와 연결할까?

1) Store the user data's address in the field as an array in the method of 'DataAccessOjbexct' 

String[] fileInfo = {"C:\\java\\data\\TodoList\\src\\database\\Members.txt", 

"C:\\java\\data\\TodoList\\src\\database\\ACCESSHISTORY.txt"};

Location\\File name.File type

Where is the address of each data file?