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  1. import java.util.Map;
  2. import java.util.HashMap;
  3. import java.util.List;
  4. import java.util.ArrayList;
  5. import java.util.Collections;
  6.  
  7. class Idiom112
  8. {
  9. 	public static void main (String[] args)
  10. 	{
  11. 		Map<String, Integer> mymap = new HashMap<>();
  12. 		mymap.put("dog", 4);
  13. 		mymap.put("cat", 4);
  14. 		mymap.put("human", 2);
  15. 		mymap.put("duck", 2);
  16. 		mymap.put("flamingo", 1);
  17.  
  18.  		List<String> keys = new ArrayList<>(mymap.keySet());
  19.  		Collections.sort(keys);
  20.  		for(String k: keys)
  21. 			System.out.println("Key=" + k + ", Value=" + mymap.get(k));
  22. 	}
  23. }
Success #stdin #stdout 0.04s 711168KB
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stdin
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Standard input is empty
stdout
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Key=cat, Value=4
Key=dog, Value=4
Key=duck, Value=2
Key=flamingo, Value=1
Key=human, Value=2
https://ideone.com/r0hpGp
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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