Ivelin_1936

Sets Of Elements

May 24th, 2018
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Java 1.56 KB | None | 0 0
  1. import java.io.BufferedReader;
  2. import java.io.IOException;
  3. import java.io.InputStreamReader;
  4. import java.util.LinkedHashSet;
  5. import java.util.Set;
  6.  
  7. public class SetsOfElements {
  8.     public static void main(String[] args) throws IOException {
  9.         BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
  10.         Set<String> firstSet = new LinkedHashSet<>();
  11.         Set<String> secondSet = new LinkedHashSet<>();
  12.  
  13.         String[] setsLength = reader.readLine().split(" ");
  14.  
  15.         fillDataInSets(reader, firstSet, secondSet, setsLength);
  16.  
  17.         System.out.println(getStringResult(firstSet, secondSet));
  18.     }
  19.  
  20.     private static String getStringResult(Set<String> firstSet, Set<String> secondSet) {
  21.         StringBuilder result = new StringBuilder();
  22.         for (String element : firstSet) {
  23.             if (secondSet.contains(element)) {
  24.                 result.append(element).append(" ");
  25.             }
  26.         }
  27.         return result.toString().trim();
  28.     }
  29.  
  30.     private static void fillDataInSets(BufferedReader reader, Set<String> firstSet, Set<String> secondSet, String[] setsLength) throws IOException {
  31.         int lines = Integer.parseInt(setsLength[0]) + Integer.parseInt(setsLength[1]);
  32.         for (int i = 1; i <= lines; i++) {
  33.             if (i <= Integer.parseInt(setsLength[0])) {
  34.                 String token = reader.readLine();
  35.                 firstSet.add(token);
  36.             } else {
  37.                 String token = reader.readLine();
  38.                 secondSet.add(token);
  39.             }
  40.         }
  41.     }
  42. }
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