When to use throws in a Java method declaration?

Question

So I thought I had a good basic understanding of exception-handling in Java, but I was recently reading some code that gave me some confusion and doubts. My main doubt that

Answer 1

The code that you looked at is not ideal. You should either:

1. Catch the exception and handle it; in which case the throws is unnecesary.

2. Remove the try/catch; in which case the Exception will be handled by a calling method.

3. Catch the exception, possibly perform some action and then rethrow the exception (not just the message)