32 lines
935 B
Java
32 lines
935 B
Java
// standardio/Redirecting.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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// Demonstrates standard I/O redirection
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import java.io.*;
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public class Redirecting {
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public static void main(String[] args) {
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PrintStream console = System.out;
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try(
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BufferedInputStream in = new BufferedInputStream(
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new FileInputStream("Redirecting.java"));
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PrintStream out = new PrintStream(
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new BufferedOutputStream(
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new FileOutputStream("Redirecting.txt")))
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) {
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System.setIn(in);
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System.setOut(out);
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System.setErr(out);
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new BufferedReader(
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new InputStreamReader(System.in))
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.lines()
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.forEach(System.out::println);
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} catch(IOException e) {
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throw new RuntimeException(e);
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} finally {
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System.setOut(console);
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}
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}
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}
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