// files/StreamInAndOut.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
import java.io.*;
import java.nio.file.*;
import java.util.stream.*;

public class StreamInAndOut {
 public static void main(String[] args) {
 try(
 Stream<String> input =
 Files.lines(Paths.get("StreamInAndOut.java"));
 PrintWriter output =
 new PrintWriter("StreamInAndOut.txt")
 ) {
 input
 .map(String::toUpperCase)
 .forEachOrdered(output::println);
 } catch(Exception e) {
 throw new RuntimeException(e);
 }
 }
}