import java.io.File;
public final class FileUtil {
public static String getFileNameWithoutExtension(File file) {
return StripFileExtension(file.getName());
}
public static String StripFileExtension(String fileName) {
return fileName.substring(0, fileName.lastIndexOf('.'));
}
public static String getExtension(File file) {
return getFileExtension(file.getName());
}
public static String getFileExtension(String fileName) {
return fileName.substring(fileName.lastIndexOf('.') + 1);
}
}