Use static import to bring sqrt() and pow() into view. : Static Import « Class Definition « Java Tutorial

1. Java Tutorial
2. Class Definition
3. Static Import

import static java.lang.Math.pow;
import static java.lang.Math.sqrt;

class Hypot {
  public static void main(String args[]) {
    double side1, side2;
    double hypot;

    side1 = 3.0;
    side2 = 4.0;

    hypot = sqrt(pow(side1, 2) + pow(side2, 2));

    System.out.println("Given sides of lengths " + side1 + " and " + side2 + " the hypotenuse is "
        + hypot);
  }
}