Stack255 nextActiveStack() {
    activeStack = (activeStack + 1) % stacks.size();
    return (Stack255) stacks.get(activeStack);
  }
Stack255 nextActiveStack() {
    activeStack = (activeStack + 1) % stacks.size();
    return (Stack255) stacks.get(activeStack);
  }
Stack255 nextActiveStack ( ) { activeStack = ( activeStack + 1 ) % stacks . size ( ) ; return ( Stack255 ) stacks . get ( activeStack ) ; }
Makes the next intentions stack active using a round robin scheme.
@return the newly active stack.
Makes the next intentions stack active using a round robin scheme .