Java格式化程序将换行

Question

I am wondering is there any way after it writes to the txt file it goes to the next line ?

stdIn2.format("%s", x[i]);

like

a 
b   
c

I have tried stdIn2.format("%s\\n", x[i]); but it does't work

Answer 1

How about:

stdIn2.format("%s%n", x[i]);

The %n stands for platform-specific line separator in the formatter:

http://docs.oracle.com/javase/7/docs/api/java/util/Formatter.html

Answer 2

You can use a PrintWriter , and follow the conventions listed in the API. println() will be familiar to you immediately.

PrintWriter out = new PrintWriter(new File("out.txt"));
out.println(String.format("%s", x[i]));

Answer 3

Use System.out.println(String.formtat(...)) . This will definitely work.

Answer 4

Try using lineSeparator() as :

     stdIn2.format("%s"+System.lineSeparator(), x[i]);

This will append \\r\\n as line separator in Windows based environment.

Answer 5

Using notepad.exe is not the best choice.

In Windows a new line is defined by two chars: '\\n' and '\\r' In Linux it is only one '\\n' (In MacOs it is only '\\r' iirc)

Your programm only outputs a '\\n' which won't be recognised as a new line by notepad. Notepad++, which is way better than notepad, will show the result as expected.