fork(2) download
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.util.stream.*;
  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. Double[] test = {7.0, 2.0, -5.0, 5.0, 9.0};
  13. Integer[] indexes = IntStream.range(0, test.length).boxed().toArray(Integer[]::new);
  14. Arrays.sort(indexes, Comparator.<Integer>comparingDouble(i -> test[i]).reversed());
  15.  
  16. System.out.println(Arrays.toString(indexes));
  17. }
  18. }
Success #stdin #stdout 0.12s 34436KB
stdin
Standard input is empty
stdout
[4, 0, 3, 1, 2]