Find square root of a number using Math.sqrt

  1. /*
  2.   Find square root of a number using Math.sqrt
  3.   This java example shows how to find square root of a given number using
  4.   sqrt method of Java Math class.
  5. */
  6. public class FindSquareRootExample {
  7.  
  8. public static void main(String[] args) {
  9.  
  10. /*
  11.   * To find square root value of a number, use
  12.   * static double sqrt(double d1) method Java Math class.
  13.   */
  14.  
  15. //returns square root of 9, i.e. 3
  16. System.out.println(Math.sqrt(9));
  17.  
  18. //returns square root of 25.5
  19. System.out.println(Math.sqrt(25.5));
  20. }
  21. }
  22.  
  23. /*
  24. Output would be
  25. 3.0
  26. 5.049752469181039
  27. */

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how can i write a code that

how can i write a code that find square root without using math ?

using Doubles.

if i use the System.out.println(Math.sqrt(25.5)); but instead putting a Double where the 25.5 is, will it work? because it doesn't work for me:S


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