Java Math sqrt() 方法

public class Test {



   public static void main(String args[]) {

      double x = 11.635;

      double y = 2.76;



      System.out.printf("The value of e is %.4f%n", Math.E);

      System.out.printf("sqrt(%.3f) is %.3f%n", x, Math.sqrt(x));

   }

}