Freq.java Source code

Introduction

Here is the source code for Freq.java

Source

import java.util.Map;
import java.util.TreeMap;

public class Freq {
    private static final Integer ONE = new Integer(1);

    public static void main(String args[]) {
        Map m = new TreeMap();

        m.put("a Key", "a Value");
        m.put("Java2s", "www.java2s.com");

        System.out.println(m.size() + " keys detected:");
        System.out.println(m);
    }
}