Added readFromFile() function in class Professor

src/main/java/org/example/Professor.java

@@ -116,4 +116,20 @@ public class Professor {
             writer.newLine();
         }
     }
+
+    public static List<Professor> readFromFile() throws IOException {
+        List<Professor> professors = new ArrayList<>();
+        try (BufferedReader reader = new BufferedReader(new FileReader("professorData.txt"))) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                // Assuming the toString format is exactly how we write to the file
+                String[] parts = line.replace("Professor{", "").replace("}", "").split(", ");
+                String professorID = parts[0].split("'")[1]; // Extracting professorID
+                String name = parts[1].split("'")[1]; // Extracting Name
+                String role = parts[2].split("'")[1]; // Extracting role
+                professors.add(new Professor(professorID, name, role));
+            }
+        }
+        return professors;
+    }
 }