forked from BruceEckel/OnJava8-Examples
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathUniqueWordsAlphabetic.java
More file actions
30 lines (29 loc) · 1.02 KB
/
UniqueWordsAlphabetic.java
File metadata and controls
30 lines (29 loc) · 1.02 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// collections/UniqueWordsAlphabetic.java
// (c)2021 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.
// Producing an alphabetic listing
import java.util.*;
import java.nio.file.*;
public class UniqueWordsAlphabetic {
public static void
main(String[] args) throws Exception {
List<String> lines = Files.readAllLines(
Paths.get("SetOperations.java"));
Set<String> words =
new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
for(String line : lines)
for(String word : line.split("\\W+"))
if(word.trim().length() > 0)
words.add(word);
System.out.println(words);
}
}
/* Output:
[A, add, addAll, added, args, B, C, class, collections,
contains, containsAll, D, E, F, false, from, G, H,
HashSet, I, import, in, J, java, K, L, M, main, N, new,
out, Output, println, public, remove, removeAll,
removed, Set, set1, set2, SetOperations, split, static,
String, System, to, true, util, void, X, Y, Z]
*/