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 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("");

}

}