How to click the 'Second' element out of '8' matching element using Selenium Webdriver (Two elements in a page with same ID's)

Option 1:

You can use XPath indexing.

Example:
driver.findElement(By.xpath("(//*[@id="notificationStatusSwitch"])[2]"));

Option 2:

You can use findElements(): Using the given “locating mechanism” find all the elements on the current page.It returns a list of web elements, Then access the second one found

Example:

List<WebElement> elementList = driver.findElements(By.xpath("//*[@id="notificationStatusSwitch"]"));

elementList.get(1).click;