21 lines
658 B
Java
21 lines
658 B
Java
// containers/UniqueWords.java
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// ©2016 MindView LLC: see Copyright.txt
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import java.util.*;
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import onjava.*;
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public class UniqueWords {
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public static void main(String[] args) {
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Set<String> words = new TreeSet<>(
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new TextFile("SetOperations.java", "\\W+"));
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System.out.println(words);
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}
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}
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/* Output:
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[A, B, C, Collections, D, E, F, G, H, HashSet, I, J, K, L,
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M, N, Output, Print, Set, SetOperations, String, X, Y, Z,
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add, addAll, added, args, class, com, containers, contains,
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containsAll, false, from, import, in, java, main,
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mindviewinc, new, print, public, remove, removeAll,
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removed, set1, set2, split, static, to, true, util, void]
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*/
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