You are probably importing the wrong Console; java.io.Console is final On Thu, 8 Mar 2018, 17:28 Sean Luke, <[log in to unmask]> wrote: > Console isn't final, and definitely not so in the current versions of > MASON. Not sure what's going on with your compiler. > > Sean > > > On Mar 8, 2018, at 11:37 AM, Peter Gacs <[log in to unmask]> wrote: > > > > I am trying to extend the Console by writing my own class extending it, > since I need to add some options. > > Example: to save the state of the field of a cellular automaton (without > saving everything into a checkpoint). > > The compiler says that the Console class is final and I am not allowed > to extend it. > > This may have to do with the way MASON was compiled, but I don't see the > cause. Any advice? >