Hi, I'm a noob, can you give an initial example?

Directory Vaadin Rich Text Editor
1

Hi, I’m a noob, can you give an initial example?

2

The most simple example is

RichTextEditor rte = new RichTextEditor();
yourLayout.add(rte);

For more examples with more features, you can check out https://vaadin.com/components/vaadin-rich-text-editor.