How do I read a text file?

How do I read a text file?

The code shown below is an example how to read a text file. This program will read a file called test.txt and shown its content.

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01.import java.io.BufferedReader;

02.import java.io.File;

03.import java.io.FileReader;

04.import java.io.FileNotFoundException;

05.import java.io.IOException;

06. 

07.public class ReadTextFileExample

08.{

09.    public static void main(String[] args)

10.    {

11.        File file = new File("test.txt");

12.        StringBuffer contents = new StringBuffer();

13.        BufferedReader reader = null;

14. 

15.        try

16.        {

17.            reader = new BufferedReader(new FileReader(file));

18.            String text = null;

19. 

20.            // repeat until all lines is read

21.            while ((text = reader.readLine()) != null)

22.            {

23.                contents.append(text)

24.                    .append(System.getProperty(

25.                        "line.separator"));

26.            }

27.        } catch (FileNotFoundException e)

28.        {

29.            e.printStackTrace();

30.        } catch (IOException e)

31.        {

32.            e.printStackTrace();

33.        } finally

34.        {

35.            try

36.            {

37.                if (reader != null)

38.                {

39.                    reader.close();

40.                }

41.            } catch (IOException e)

42.            {

43.                e.printStackTrace();

44.            }

45.        }

46.         

47.        // show file contents here

48.        System.out.println(contents.toString());

49.    }

50.}

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