//
// example using NumberFormat class to format numbers for printing
//      in "fixed width" format
//

import java.text.NumberFormat ;

public class TestNumberFormat {
        
        public static void main(String[] args) {

                System.out.println("Enter number of places to left " +
                        "of decimal") ;
                int N = Input.readInt() ;
                System.out.println("Enter number of places to right " +
                        "of decimal") ;
                int D = Input.readInt() ;

                // build NumberFormat object for desired format
                NumberFormat nf = NumberFormat.getNumberInstance() ;
                nf.setGroupingUsed(false) ;     // don't group by threes
                nf.setMaximumFractionDigits(D) ;
                nf.setMinimumFractionDigits(D) ;
                nf.setMaximumIntegerDigits(N) ;
                nf.setMinimumIntegerDigits(N) ;

                double num ;

                while (true) {
                        System.out.println("Enter number to format " +
                                "(0 to end)") ;
                        num = Input.readDouble() ;
                        if (num == 0.0) break ;

                        // format and print
                        System.out.println(
                                "In specified format:  " +
                                nf.format(num) +
                                "; in default format:  " + num) ;
                } 
        }
}