javafx character counter
@Override
public void start(Stage primaryStage) {
TextField textField = new TextField();
Label label = new Label();
label.textProperty().bind(textField.textProperty()
.length()
.asString("Character Count: %d"));
VBox root = new VBox(label, textField);
Scene scene = new Scene(root);
primaryStage.setScene(scene);
primaryStage.show();
}