25 lines
672 B
Java
25 lines
672 B
Java
// files/StreamInAndOut.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import java.io.*;
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import java.nio.file.*;
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import java.util.stream.*;
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public class StreamInAndOut {
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public static void main(String[] args) {
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try(
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Stream<String> input =
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Files.lines(Paths.get("StreamInAndOut.java"));
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PrintWriter output =
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new PrintWriter("StreamInAndOut.txt")
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) {
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input
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.map(String::toUpperCase)
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.forEachOrdered(output::println);
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} catch(Exception e) {
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throw new RuntimeException(e);
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}
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}
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}
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