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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. import java.math.*;
  8. import java.util.*;
  9. import java.util.function.Function;
  10. import java.util.stream.*;
  11.  
  12.  
  13. /* Name of the class has to be "Main" only if the class is public. */
  14. class Ideone
  15. {
  16. 	public static void main (String[] args) throws java.lang.Exception
  17. 	{
  18. 		List < String > list = List.of( "200.1043725170" , "100.1043725171" , "100.1043725170" , "65535.4294967295" , "4294967295.65535" );
  19. 		NavigableMap < BigDecimal, String > map =
  20. 		        list
  21. 		                .stream()
  22. 		                .collect(
  23. 		                        Collectors.toMap(
  24. 		                                ( String s ) -> new BigDecimal( s ) ,
  25. 		                                Function.identity() ,
  26. 		                                ( existing , replacement ) -> existing ,   // In case of duplicate key conflict, first one wins.
  27. 		                                TreeMap :: new
  28. 		                        )
  29. 		                );
  30. 		List < String > result = List.copyOf( map.values() );
  31.  
  32. 		System.out.println( result );
  33. 	}
  34. }
Success #stdin #stdout 0.08s 48984KB
comments (?)
stdin 
Standard input is empty
stdout 
[100.1043725170, 100.1043725171, 200.1043725170, 65535.4294967295, 4294967295.65535]
https://ideone.com/P9R1zl
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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