OnJava8-Examples/files/ListOfLines.java
2017-01-20 21:30:44 -08:00

27 lines
656 B
Java

// files/ListOfLines.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.util.*;
import java.nio.file.*;
public class ListOfLines {
public static void
main(String[] args) throws Exception {
Files.readAllLines(
Paths.get("../streams/Cheese.dat"))
.stream()
.filter(line -> !line.startsWith("//"))
.map(line ->
line.substring(0, line.length()/2))
.forEach(System.out::println);
}
}
/* Output:
Not much of a cheese
Finest in the
And what leads you
Well, it's
It's certainly uncon
*/