Hello, please help me fix this. Below are the requirements andwhat I have so far, help me fix the issues.Appointment.Java:AppointmentService.Java:AppointmentTest.Java:AppointmentServiceTest: D *Appointment.java \( \quad \) D *AppointmentService.java \( \times \) ] *AppointmentTest.java ? *AppointmentServiceTest.java import java.util.HashMap; import java.util.Map; private Map appointment 1 answer