javafx2 enter key on pressed event action

// checking if the enter key is pressed on javafx2

import javafx.scene.input.KeyEvent;
import javafx.scene.input.KeyCode;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;

btn.setOnKeyPressed(new EventHandler<KeyEvent>() {
        @Override
        public void handle(KeyEvent k) {
            if (k.getCode().equals(KeyCode.ENTER)) {
                // the entry key is pressed
            }
        }
});