Created a function to get user attributes, created a main viewer populate method and a method to populate each panel by getting user attributes based on panel name

src/main/java/cvbuilder/model/User.java

@@ -8,6 +8,20 @@ public class User {
     private String phone;
     private String address;
 
+
+    private String getUserAttribute(User user, String panelName) {
+        return switch (panelName.toLowerCase()) {
+            case "title" -> user.getTitle();
+            case "name" -> user.getName();
+            case "email" -> user.getEmail();
+            case "phone" -> user.getPhone();
+            case "address" -> user.getAddress();
+            default -> "method error";
+        };
+    }
+
+
+
     //basic getters and setters
     public String getAddress() {
         return address;