RE: how to handle mouse hover dropdowns click event in selenium webdriver
You can Actions class for this. When you move your mouse on a particular item the it displays all the dropdowns under the item . To handle such situations you can locate the element and perfom().
Actions act = new Actions(driver);
act.moveToElement(locate elemente ).build(). PErform();
//here the mouse will move to the element and you san see the dropdown
//if you wnat click the dropdown item then locate it and click it
try this ..