dump JavaFX Node struct to show all Java classes and css style classes.

Dump.java

import javafx.scene.Node;
import javafx.scene.Parent;
// :
  private void dump(Node n, int depth) {
    for (int i = 0; i < depth; i++) System.out.print("  ");
    System.out.println(n);
    if (n instanceof Parent) for (Node c: ((Parent) n).getChildrenUnmodifiable()) dump(c, depth + 1);
  }
// :

Dump_JDK8.java

import javafx.scene.Node;
import javafx.scene.Parent;
// :
  private void dump(Node n, int depth) {
      for (int i = 0; i < depth; i++) System.out.print("  ");
      System.out.println(n);
      if (n instanceof Parent) ((Parent) n).getChildrenUnmodifiable().stream().forEach((c) -> {
          dump(c, depth + 1);
      });
  }
// :

https://community.oracle.com/message/9989628#9989628