Java programming: Enumerating enums, attaching methods to enumeration constants

Package enumeration;//Append method to enumeration constant public class Unitsconverter {private static double Numbertoconvert = 0;            public static void Main (string[] args) {//TODO auto-generated Method Stub if (args.length = = 0) {            System.out.println ("Usage:java unitsconverter<weight in Pounds>");        System.exit (0);        } Numbertoconvert = Double.parsedouble (Args[0]);        System.out.println ("lbs" +args[0]+ "equals:\n"); Iterates over all elements of the Converter enumeration for (Converter conv:Converter.values ()) {System.out.printf ("%s:%f%n", Conv,co        Nv.performconversion (Numbertoconvert)); }}}//Enumeration Converter: Each constant in the converter//converter needs to implement this method. Enum converter{//Put the pound into kilograms, you need to multiply the specified value by constant 0.45359237 kg ("kg") {double performconversion (double f) {Retur        n f*=0.45359237;        }},//Convert the pound to carat CARAT ("CARAT") {double performconversion (double f) {return f*=2267.96185; }},//GMS ("gms") {double PerfoRmconversion (double f) {return f*=453.59237;        }},///ounce ("ounce") {double performconversion (double f) {return f*=16;        }},//Stone ("stone") {double performconversion (double f) {return f*=0.071428571429;        }    };    private final String symbol;    Construction method Converter (String symbol) {this.symbol=symbol;    } @Override Public String toString () {return symbol; }//Defined abstract method Performconversion: Performs the conversion abstract double performconversion (double f);}

LBS 5.0 equals:kg:2.267962carat:11339.809250gms:2267.961850ounce:80.000000stone:0.357143

Java programming: Enumerating enums, attaching methods to enumeration constants