Java tutorial
import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; public class MainClass { public static void main(String[] args) { try { FileWriter fw = new FileWriter("LPT1:"); PrintWriter pw = new PrintWriter(fw); String s = "www.java2s.com"; int i, len = s.length(); for (i = 0; len > 80; i += 80) { pw.print(s.substring(i, i + 80)); pw.print("\r\n"); len -= 80; } if (len > 0) { pw.print(s.substring(i)); pw.print("\r\n"); } pw.close(); } catch (IOException e) { System.out.println(e); } } }