@Override
    public boolean init(List<String> argumentList, DebuggerVirtualMachine dvm) {
        if (argumentList.size() > 0) {
            UserInterface.println("This command takes no arguments.");
            HelpCommand.displayHelp(this);
            return false;
        }

        breakpoints = new ArrayList<String>();
        for (int i = 1; i < dvm.getSourceLinesSize(); i++) {
            if (dvm.isBreakpointSet(i)) {
                breakpoints.add(new Integer(i).toString());
            }
        }
        return true;
    }