Eclipse autocomplete not working

Question

The autocomplete of eclipse is not working now and I searched for hours but I couldn\'t find an answer to solve it. I haven\'t used it for long time then the first thing aft

Answer 1

Window->Preferences->Java->Editor->Content Assist->Advanced

The following options have to be selected, then the autocomplete worked . No restart is required.

Java Proposals  (must be selected, not sure the follows)

Java Non-Type Proposals
Java Type Proposals
Java Proposals (Task-focused)