run next code:

            WebView webView = new WebView();
            WebEngine webEngine = webView.getEngine();
            stage.setScene(new Scene(webView));
            stage.show();
            webEngine.load("http://oracle.com");

1. click on any link, in the appeared context there are next invalid items:
- Open Link in New Window --- link will be opened in the same window
- Download linked file --- does nothing

2. click on any image:
- Open Image in New Window --- will be opened in the same window
- Save Image As --- does nothing

3. select text, and right-click on it:
- Search the Web --- does nothing