Selenium || Selenium Verify for an element on the web page using WebDriver

not at all how isDisplayed() works
if return type is boolean then how come it throws exception 😂

Sorry but he is not a good teacher. He teaches bad practices like writing an else statement to print when an element is not found but an exception was thrown instead and the else statement was never reached. The teacher should be aware of these kind of consequences and explain why this happens.