return false;
        }

        if (jdk.startsWith("!")) {
            return !version.startsWith(jdk.substring(1));
        } else if (isRange(jdk)) {
            try {
                return isInRange(version, getRange(jdk));
            } catch (NumberFormatException e) {
                problems.add(new ModelProblemCollectorRequest(Severity.WARNING, Version.BASE)