May 24, 2021 Eclipse
The java editor contains different types of suspension hints that provide additional information about the mouse pointer to the element. All relevant suspension tips in the java editor can be configured by the Hovers page of preference (enter "hover" in the search box).
The java editor moves the mouse pointer over the class and displays java document information related to the class.
Moving the mouse pointer over the method in the java editor displays java document information related to the method.