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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. /* 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.         NavigableMap < Double, Integer > map =
  13.                 new TreeMap <>(
  14.                         Map.of(
  15.                                 52.1d , 1 ,
  16.                                 53.4d , 2 ,
  17.                                 57.1d , 3 ,
  18.                                 59.4d , 7 ,
  19.                                 60.2d , 11 ,
  20.                                 71.6d , 16
  21.                         )
  22.                 );
  23.  
  24.         System.out.println( "map = " + map );
  25.  
  26.         Double target = 58.0d;
  27.         Double nextLower = map.floorKey( target );
  28.         Double nextHigher = map.ceilingKey( target );
  29.  
  30.         System.out.println( "nextLower = " + nextLower );
  31.         System.out.println( "nextHigher = " + nextHigher );
  32.  
  33.         System.out.println(
  34.  
  35.                 new TreeMap <>(
  36.                         Map.of(
  37.                                 52.1d , 1 ,
  38.                                 53.4d , 2 ,
  39.                                 57.1d , 3 ,
  40.                                 59.4d , 7 ,
  41.                                 60.2d , 11 ,
  42.                                 71.6d , 16
  43.                         )
  44.                 )
  45.                         .floorKey( 58.0d )
  46.         );
  47. 	}
  48. }
Success #stdin #stdout 0.1s 36320KB
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stdin
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Standard input is empty
stdout
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map = {52.1=1, 53.4=2, 57.1=3, 59.4=7, 60.2=11, 71.6=16}
nextLower = 57.1
nextHigher = 59.4
57.1
https://ideone.com/AvBlmu
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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