PPT Slide

/* Calculate the roots */

darg = b * b - 4.0 * a * c;

ds = Math.sqrt(darg);

denom = 2.0 * a;

root1 = ( (- b) + ds) / denom;

root2 = ( (- b) - ds) / denom;

System.out.println("root1 is " + root1);

System.out.println("root2 is " + root2);

}

Explicit casting to a larger type is not required.