math.sqrt

When you install a JDK the source code of the standard library can be found inside src.zip. This won’t help you for StrictMath, though, as StrictMath.sqrt(double) is implemented as follows: public static native double sqrt(double a); So it’s really just a native call and might be implemented differently on different platforms by Java. However, as … Read more

How about something like the following to get you going … double x = 20; double root = Math.sqrt(x); int t = (int)root; System.out.println(“Root is:” + root + ” and answer is :” + t*t);