Map: Map inside Map

Map inside Map:

Base.java:

Initialization:

public static Map<String, Map<String, String>> roles = new HashMap<>();

public static String SCHOOL = "school";

public static String HOSPITAL = "hospital";

Call from method:

this.createRoleMap();

Implementation:

                private void createRoleMap() {

                                Map<String, String> hospital = new HashMap<>();

                                hospital.put("admin", "Admin");

                                hospital.put("physician", "Physician");

                                hospital.put("nurse", "Nurse");

                                hospital.put("fieldtechnician", "Field Technician");

                                hospital.put("staff", "Nurse");

                                roles.put(HOSPITAL, hospital);

                                Map<String, String> school = new HashMap<>();

                                school.put("admin", "Admin");

                                school.put("physician", "Staff Member");

                                school.put("nurse", "Staff Member");

                                school.put("fieldtechnician", "Staff Member");

                                school.put("staff", "Staff Member");

                                roles.put(SCHOOL, school);

                }