Java tutorial
import java.io.BufferedWriter; import java.io.IOException; import java.io.StringWriter; public class Main { public static void main(String[] args) throws IOException { String s = "from java2s.com!"; StringWriter sw = new StringWriter(); BufferedWriter bw = new BufferedWriter(sw); bw.write(s, 0, 5); bw.newLine(); bw.write(s, 6, s.length() - 6); bw.flush(); System.out.print(sw.getBuffer()); } }