fork download
copy 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12.  
  13. List<Integer> list = new ArrayList<>();
  14. list.add(24);
  15. list.add(25);
  16. list.add(45);
  17. list.add(30);
  18. list.add(3);
  19. list.add(20);
  20. list.add(5);
  21.  
  22. Map<String, List<Integer>> fizzBuzz = new HashMap<>(3);
  23. fizzBuzz.put("I", new ArrayList());
  24. fizzBuzz.put("I3", new ArrayList());
  25. fizzBuzz.put("I5", new ArrayList());
  26. fizzBuzz.put("I35", new ArrayList());
  27.  
  28. list.stream().reduce(
  29.        fizzBuzz,
  30.        (map, e) -> {
  31.        	  String key = "I"; // default key
  32.        	  if (e % 3 == 0) key = "I3";
  33.        	  if (e % 5 == 0) key = "I5";
  34.        	  if (e % (3*5) == 0) key = "I35";
  35.        	  map.get(key).add(e);
  36.        	  return map;
  37.    		},
  38. 	    (m, m2) -> {
  39.     	    m.putAll(m2);
  40.         	return m;
  41. 	    }
  42.    	);
  43.  
  44. System.out.println(fizzBuzz);
  45.  
  46. 	}
  47. }
Success #stdin #stdout 0.09s 48220KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
{I=[], I3=[24, 3], I35=[45, 30], I5=[25, 20, 5]}
https://ideone.com/pDMd6g
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!