\n newline character is ignored by java

I'm writing to a txt file and I'm appending \n (newline character). the character is shown clearly 开发者_运维技巧in System.out.println. but this character is not shown in the textfile. therefore, the textfile is composed by only one long line

What operating system are you using? If you're using Windows, try "\r\n" - or (more universally), System.getProperty("line.separator")