package hellofx; import javafx.fxml.FXML; import javafx.scene.control.Label; public class Controller { @FXML private Label label; public void initialize() { String javaVersion = System.getProperty("java.version"); String javafxVersion = System.getProperty("javafx.version"); label.setText("Hello! JavaFX " + javafxVersion + "\nRunning on Java " + javaVersion + "."); } }