java.lang.Math.sqrt(double a)

package com.codingdict;



import java.lang.*;



public class MathDemo {



   public static void main(String[] args) {



      // get two double numbers numbers

      double x = 9;

      double y = 25;



      // print the square root of these doubles

      System.out.println("Math.sqrt(" + x + ")=" + Math.sqrt(x));

      System.out.println("Math.sqrt(" + y + ")=" + Math.sqrt(y));

   }

}