Square root of Number in java

Program for finding square root of number in java.

import java.util.Scanner;
import java.lang.Math;
public class Main
{

 public static void main(String[] args)
 {
  int N;
  Scanner input=new Scanner(System.in);
  System.out.println("enter N value:");
  N=input.nextInt();
  System.out.println("entered value is:"+ N);
  input.close();
  System.out.println(Math.sqrt(N));
	
 }
}

OUTPUT:
enter N value:
100
entered value is:100
10.0
-----------------------------
enter N value:
36
entered value is:36
6.0