Java iterator over an empty collection of a parameterized type

Question

In Java, I need to return an Iterator from my method. My data comes from another object which usually can give me an iterator so I can just return that, but in some circums

Answer 1

Java 7 has been out for a long time now. Unless you're developing for a previous Java version, you would return an empty iterator like this:

return Collections.emptyIterator();