Added writeToFile Method in Admin Class

src/main/java/org/example/Admin.java

@@ -1,5 +1,9 @@
 package org.example;
 
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+import java.io.IOException;
+
 /**
  *  Represents an administrative user in the system.
  */
@@ -53,4 +57,12 @@ public class Admin {
         System.out.println("ID: " + getId());
         System.out.println("Role: " + getRole());
     }
+
+    public void writeToFile(Admin admin, String filename) throws IOException{
+        try(BufferedWriter writer = new BufferedWriter(new FileWriter(filename))){
+            String attributes = admin.getId() + "\n" + admin.getName() + "\n" + admin.getRole();
+            writer.write(attributes);
+        }
+
+    }
 }