개발 무지렁이

[article/write.html] 글쓰기 제목 내용 본문이미지 [Util.java] public class Util { public static class date { public static String getCurrentDateFormatted(String pattern) { SimpleDateFormat simpleDateFormat = new SimpleDateFormat(pattern); return simpleDateFormat.format(new Date()); } } public static class file { public static String getExt(String filename) { return Optional.ofNullable(filename) .filter(f -> ..