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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. 		List<String> list = Stream.of(
  14. 		        "06|20|1",
  15. 		        "11|20|2",
  16. 		        "11|20|2",
  17. 		        "07|207|6",
  18. 		        "11|207|2",
  19. 		        "07|207|6"
  20. 		).collect(Collectors.toList());
  21.  
  22. 	    Map<String, Map<String, String>> map = list.stream()
  23. 	            .map(line -> line.split("\\|"))
  24. 	            .sorted(Comparator.comparingInt(line -> Integer.parseInt(line[2])))
  25. 	            .collect(Collectors.toMap(
  26. 	                    line -> line[1],
  27. 	                    line -> Map.of(line[0], line[2]),
  28. 	                    (low, high) -> high));
  29.  
  30. 		System.out.println(map);
  31. 	}
  32. }
Success #stdin #stdout 0.11s 50768KB
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{207={07=6}, 20={11=2}}
https://ideone.com/ANGgyL
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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