Netbeans autocomplete stopped working?

Question

I\'m using Netbeans 6.9.1, everything was just fine however suddenly, it has stopped detecting any changes made to the code, e.g new variables, functions, etc. If I try to refac

Answer 1

Another Solution to the problem is just start a new project and once you've started a new project. also note if you have a syntax error whilst typing it may not work. But try and see if it helps.