public void ChangeFile(File f) { String name = f.getName(); System.out.println(name); int index = name.lastIndexOf(\".\"); if (index == 0 || index == -1) { System.out.println(name + \" error \" + index); return;
미안 해보구싶엇쪙
public void ChangeFile(File f) { String name = f.getName(); System.out.println(name); int index = name.lastIndexOf(\".\"); if (index == 0 || index == -1) { System.out.println(name + \" error \" + index); return;
미안 해보구싶엇쪙
끔찍하다