import java.util.*;public class Freq {    private static final Integer ONE = new Integer(1);    public static void main(String args[]) {        Map m = new TreeMap();        // Initialize frequency table from command line        for (int i=0; i<args.length; i++) {            Integer freq = (Integer) m.get(args[i]);            m.put(args[i], (freq==null ? ONE :                            new Integer(freq.intValue() + 1)));        }        System.out.println(m.size() + " distinct words detected:");        System.out.println(m);    }}