Java - Quickest way to check if URL exists

Question

Hi I am writing a program that goes through many different URLs and just checks if they exist or not. I am basically checking if the error code returned is 404 or not. Howev

Answer 1

Seems you can set the timeout property, make sure it is acceptable. And if you have many urls to test, do them parallelly, it will be much faster. Hope this will be helpful.