The type Collection is not generic; it cannot be parameterized with arguments <? extends E>

Question

I have a strange problem with Eclipse Galileo.
I set Java 1.6 as my JRE. On this line of code

List templates = new ArrayList ();

I see

Answer 1

Hey, I removed the cryptic library and it didn't work. But then I put JRE System Library at the top, and it worked. Really weird.