03. Extract File + regex

package DPM;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class Main {
        public static void main(String[] args) {
            Scanner scan = new Scanner(System.in);
            String line = scan.nextLine();
            List<String> file = Arrays.asList(line.substring(line.lastIndexOf("\\") + 1).split("\\."));
            String nFile = String.join(".", file.subList(0, file.size()-1));
            String ext = file.get(file.size()-1);


            System.out.println("File name: " + nFile);
            System.out.println("File extension: " + ext);
////////////////////////////////////////
//            String regex = "(.*)\\.(.*)";
//
//
//            Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
//            Matcher matcher = pattern.matcher(file);
//
//            if (matcher.find()) {
//                System.out.println("File name: " + matcher.group(1));
//                System.out.println("File extension: " + matcher.group(2));
//            }
///////////////////////////////////////
        }
}