Used for loop in breaking down the Problem

package LeapYear;

import java.util.Scanner;

@interface KakumiriziDaud
{
    String name() default " ";
    String email () default " ";
}
@KakumiriziDaud(name = "Kakumirizi Daud", email = "dkakumirizii@gmail.com")
public class Sqrt {
    public void getTheSqrt( int n )
    {
        // double a = (eventually the main method will plug values into a)
        double a = (double) n;
        double x = 1;

        // For loop to get the square root value of the entered number.
        for( int i = 0; i < n; i++)
        {
            x = 0.5 * ( x+a / x );
        }

        System.out.println("The sqrt of " + a + " is " + x);
        System.out.println();
        System.out.println("Coders never Quit! Regardless weather the codes are running or not");
    }

    // Begin method main..
    public static void main(String[] args) {
        // Creating an object from "Scanner" to input data.
        Scanner Sa = new Scanner(System.in);
        Sqrt S = new Sqrt();

        //Asking the user to input the number we want to find its square root.
        System.out.println("Enter a positive number : ");
        int n = Sa.nextInt();

        // Calling the method that'll calculate the square root of the given number.
        S.getTheSqrt( n );

    } // End method main

}