40 lines
1.0 KiB
Java
40 lines
1.0 KiB
Java
// streams/FileToWordsRegexp.java
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// (c)2020 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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import java.util.regex.Pattern;
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public class FileToWordsRegexp {
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private String all;
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public FileToWordsRegexp(String filePath)
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throws Exception {
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all = Files.lines(Paths.get(filePath))
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.skip(1) // First (comment) line
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.collect(Collectors.joining(" "));
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}
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public Stream<String> stream() {
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return Pattern
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.compile("[ .,?]+").splitAsStream(all);
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}
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public static void
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main(String[] args) throws Exception {
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FileToWordsRegexp fw =
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new FileToWordsRegexp("Cheese.dat");
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fw.stream()
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.limit(7)
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.map(w -> w + " ")
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.forEach(System.out::print);
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fw.stream()
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.skip(7)
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.limit(2)
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.map(w -> w + " ")
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.forEach(System.out::print);
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}
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}
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/* Output:
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Not much of a cheese shop really is it
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*/
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