Get the file Name from the Path using java.nio.file.Paths API

Code Snippet : 

import java.nio.file.Path;

import java.nio.file.Paths;

public class GetFileName {

       public static void main(String[] args) {

              String filePath = "MESSAGE_PATH";

              Path p = Paths.get(filePath);

              String fileName = p.getFileName().toString();

              int index = fileName.indexOf(".");

              String mainChapterNumber = fileName.substring(0,index);

              System.out.println(mainChapterNumber);

       }

}