确定文件内容类型

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;/*from nowjava.com - 时  代  Java*/


public class Main {

  public static void main(String[] args) throws Exception {

    displayContentType("/home/docs/users.txt");

    displayContentType("/home/docs/Chapter 2.doc");

    displayContentType("/home/docs/java.exe");

  }


  static void displayContentType(String pathText) throws Exception {