Best practice to validate null and empty collection in Java

Question

I want to verify whether a collection is empty and null. Could anyone please let me know the best practice.

Currently, I am checking as below:

Answer 1

You can use org.apache.commons.lang.Validate's "notEmpty" method:

Validate.notEmpty(myCollection) -> Validate that the specified argument collection is neither null nor a size of zero (no elements); otherwise throwing an exception.