Rutik Vinod Gharat (Problem No. : 03)

import java.util.Scanner;

public class FindSquareRoot {
public static void main(String[] args) {
System.out.print("Enter a number: ");

    Scanner sc = new Scanner(System.in);

    int n = sc.nextInt();

    System.out.printf("%.3f", squareRoot(n));
}

public static double squareRoot(int num) {

  double t;
  double sqroot = num / 2;

  do {
      t = sqroot;
      sqroot = (t + (num / t)) / 2;
  } while ((t - sqroot) != 0);
  return sqroot;
}

}