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+package main;%0A%0Aimport java.util.Date;%0A%0Apublic interface Interfaces %7B%0A%09%09%0A%09public int loadData(String filename);%0A%09public String%5B%5D findByName(String firstname, String lastname);%0A%09public String%5B%5D findByDepartment(String department);%0A%09public String%5B%5D findByTelephoneNumber(String telephoneNumber);%0A%09public String%5B%5D findByEndDate(Date intervalStart, Date IntervalEnd);%0A%09%0A%7D%0A

Create Interfaces.java