Print a carriage return in java on windows

I need to print :q in a new line. I’m using a StringBuffer which prints a new line in this format

StringBuffer sBuffer = new StringBuffer();

sBuffer.append(String.format("Hello"));

sBuffer.append(String.format("\n"));

sBuffer.append(String.format(":q"));

The program works fine in Windows XP. :q will be printed in a new line when the program is executed.

Hello

:q

But in Windows 7, :q is printed in the same line.

Hello:q

The issue here is:

Different operating systems use different line separators.

In Java, \r is always carriage return, and \n is line feed. On Unix, just \n is enough for a newline, whereas many programs on Windows require \r\n. So you will have to modify the program like this to work on Windows 7.

StringBuffer sBuffer = new StringBuffer();

sBuffer.append(String.format("Hello"));

sBuffer.append(String.format("\r\n"));

sBuffer.append(String.format(":q"));