... the same for the REs as they are for many command-line interpreters. You run it by giving the java command, the full class name, the identifier prefix, and the RE pattern as one command line. ... grows on you and with you. And, I confess, I use Java most of the time nowadays. Things I'd once done in C are now except for device drivers and legacy systems done in Java. But Java is suited ... to radians and back), rounding, truncating, square root, minimum, and maximum. It's all there. Check the Javadoc for java. lang.Math. The package java. Math contains support for "big...