Java tutorial
//package com.java2s; import javafx.scene.layout.Border; import javafx.scene.layout.BorderStroke; import javafx.scene.layout.BorderStrokeStyle; import javafx.scene.layout.BorderWidths; import javafx.scene.layout.Region; import javafx.scene.paint.Color; public class Main { /** * Utility method to temporarily add a visible border around a region. * * @param region * The region getting the border. * @param color * the color of the border. */ public static void addDummyBorder(final Region region, final Color color) { region.setBorder(new Border(new BorderStroke(color, BorderStrokeStyle.SOLID, null, new BorderWidths(5)))); // MAGIC_NUMBER } }