删除 java代码中所有的注释

删除 java代码中所有的注释.java

public class CleanCommons {

    private static Pattern pattern = Pattern.compile("/\\*.+?\\*/", Pattern.DOTALL);

    public static void main(String[] args) throws IOException {

        Collection<File> java = FileUtils.listFiles(new File("E:\\dev\\riskManagement\\rm"), new String[]{"java"}, true);

        for (File file : java) {

            String content = FileUtils.readFileToString(file, "utf-8");

            FileUtils.writeStringToFile(file, cleanCommons(content), "utf-8");

        }

    }

    public static String cleanCommons(String content) {

        content.replaceAll("//.+\\r\\n", "");

        return pattern.matcher(content).replaceAll("");

    }

}