<vcf-tooltip> is a Web Component providing an easy way to display tooltips on any html element.
Add <vcf-tooltip> element with attribute for which will contain id of target element, to the page. Now after hovering on target element, toltip will be displayed.
This component is available in Vaadin Prime subscription. It is still open source, but you need to have a valid CVAL license in order to use it. Read more at: https://vaadin.com/pricing