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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.util.stream.*;
  5. import java.lang.*;
  6. import java.io.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13.  
  14.  
  15.     Map<Integer, String> a = new HashMap<>();
  16.     a.put(1, "quick");
  17.     a.put(2, "brown");
  18.     a.put(3, "fox");
  19.     a.put(4, "jumps");
  20.     a.put(5, "over");
  21.     a.put(6, "the");
  22.     a.put(7, "lazy");
  23.     a.put(8, "dog");
  24.  
  25.     Map<Integer, String> b = new HashMap<>();
  26.     b.put(1,"somewhere");
  27.     b.put(2, "over");
  28.     b.put(3, "the");
  29.     b.put(4, "rainbow");
  30.  
  31.     Set<String> bVal = new HashSet<String>(b.values());
  32.     String[] res = a.values()
  33.         .stream()
  34.         .filter(s -> bVal.contains(s))
  35.         .toArray(String[]::new);
  36.     for (String s : res) {
  37.     	System.out.println(s);
  38.     }
  39.  
  40.  
  41. 	}
  42. }
Success #stdin #stdout 0.2s 321856KB
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https://ideone.com/NeWFw6
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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