1 package test;

 2

 3 import java.io.*;

 4 import java.util.Scanner;

 5

 6 public class TestResource {

 7     public TestResource() throws IOException{

 8         InputStream url = this.getClass().getResourceAsStream("Hello.txt");

 9         //此处的Hello.txt必须与class文件在一个目录下

10         BufferedReader br=new BufferedReader(new InputStreamReader(url));

11         System.out.println(br.readLine());

12

13         File file = new File("Hello0.txt");//此处的 Hello0.txt 直接放在工程目录下。

14         Scanner fileScanner = new Scanner(file);

15         System.out.print(fileScanner.nextLine());

16     }

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

18         // TODO Auto-generated method stub

19         new TestResource();

20     }

21

22 }