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  1. import java.io.BufferedReader;
  2. import java.io.IOException;
  3. import java.io.InputStreamReader;
  4. import java.util.Set;
  5. import java.util.HashSet;
  6.  
  7. public class Main {
  8.     public static void main(String[] args) throws IOException {
  9.         Set<StringBuffer> words = new HashSet<>();
  10.         BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
  11.         StringBuffer currentWord = new StringBuffer();
  12.         boolean prevWord = false;
  13.         while (reader.ready()) {
  14.             char c = (char)reader.read();
  15.             if (c != ' ') {
  16.                 currentWord.append(c);
  17.                 prevWord = true;
  18.             } else if (prevWord == true) {
  19.                 words.add(currentWord);
  20.                 currentWord = new StringBuffer();
  21.                 prevWord = false;
  22.             }
  23.         }
  24.         if (currentWord.length() != 0) {
  25.             words.add(currentWord);
  26.         }
  27.         for (StringBuffer word : words) {
  28.             System.out.println(word);
  29.         }
  30.     }
  31. }
Success #stdin #stdout 0.08s 52608KB
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https://ideone.com/gJs4GR
language:
Java (HotSpot 12)
created:
14 days ago
visibility:
public

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