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  1. // Java Program to find sum of series
  2. import java.io.*;
  3.  
  4. class GFG {
  5.  
  6. // Function to return sum of
  7. // 1/1 + 1/2 + 1/3 + ..+ 1/n
  8. static double sum(int n)
  9. {
  10. double i, s = 0.0;
  11. for (i = 1; i <= n; i++)
  12. s = s + 1/i;
  13. return s;
  14. }
  15.  
  16.  
  17. // Driven Program
  18. public static void main(String args[])
  19. {
  20. int n = 5;
  21. System.out.printf("Sum is %f", sum(n));
  22.  
  23. }
  24. }
  25.  
  26. // This code is contributed by Nikita Tiwari.
  27.  
Success #stdin #stdout 0.1s 48616KB
stdin
Standard input is empty
stdout
Sum is 2.283333