Made FileUser's getAccounts() method static. Minor change to StudentU…

…ser based on Julie's feedback.

src/main/java/entities/StudentUser.java

@@ -87,7 +87,7 @@ public ArrayList<String> getCourses() {
     }
 
     public void addCourse(String course) {
-        this.toDoList.add(course);
+        this.courses.add(course);
     }
 
     public void setCourses(ArrayList<String> c) { this.courses = c; }

src/main/java/screens/login_registration/FileUser.java

@@ -12,7 +12,8 @@
 
 public class FileUser implements UserRegGateway, LoginGateway, LogoutGateway {
 
-    private final HashMap<String, UserRegSaveRequest> accounts;
+//    private final HashMap<String, UserRegSaveRequest> accounts;
+    private static HashMap<String, UserRegSaveRequest> accounts;
 
     private final String filePath;
 
@@ -29,9 +30,11 @@ public FileUser(String path) throws IOException, ClassNotFoundException {
         // and reads the existing file if it does exist
 
         if (Files.exists(Path.of(path))) {
-            this.accounts = readFile();
+//            this.accounts = readFile();
+            accounts = readFile();
         } else {
-            this.accounts = new HashMap<String, UserRegSaveRequest>();
+//            this.accounts = new HashMap<String, UserRegSaveRequest>();
+            accounts = new HashMap<String, UserRegSaveRequest>();
             save();
         }
 
@@ -91,7 +94,8 @@ public String passOf(String name) {
     }
 
     public Map<String, UserRegSaveRequest> getAccounts() {
-        return this.accounts;
+//        return this.accounts;
+        return accounts;
     }
 
 }