소프트웨어/Java
확장자 찾아내기
개발자_이훈규
2017. 11. 14. 20:11
int pos = fileNames.get(i).lastIndexOf(".");
String extension = fileNames.get(i).substring(pos + 1);
System.out.println(fileNames.get(i));
if (extension.equals("xlsx")) {