field4 = new TextField();
field4.setPromptText("text4");
field5 = new TextField();
field5.setPromptText("text5");
button1 = new ToggleButton("invalid");
button1.setPrefWidth(100);
button1.setOnAction(handler);
button2 = new ToggleButton("invalid");
button2.setPrefWidth(100);
button2.setOnAction(handler);
button3 = new ToggleButton("none");
button3.setPrefWidth(100);
button3.setOnAction(handler);
button4 = new ToggleButton("none");
button4.setPrefWidth(100);
button4.setOnAction(handler);
button5 = new ToggleButton("none");
button5.setPrefWidth(100);
button5.setOnAction(handler);
checkBox5 = new CheckBox("invisible");
checkBox5.setPrefWidth(100);
checkBox5.setOnAction(handler);