else if (osName.indexOf("macos")!=-1) _operatingSystem=MacOSXOperatingSystem;
else if (osName.indexOf("macos")!=-1 || osName.indexOf("mac os")!=-1) _operatingSystem=MacOSXOperatingSystem;
    public int operatingSystem() {        if (_operatingSystem==0) {            String osName=System.getProperty("os.name").toLowerCase();            if (osName.indexOf("windows")!=-1) _operatingSystem=WindowsOperatingSystem;            else if (osName.indexOf("solaris")!=-1) _operatingSystem=SolarisOperatingSystem;            else if (osName.indexOf("macos")!=-1) _operatingSystem=MacOSXOperatingSystem;            else _operatingSystem=UnknownOperatingSystem;        }        return _operatingSystem;    }