Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.FileOutputStream;
import java.util.Collections;
import java.util.Enumeration;
import java.util.Properties;
import java.util.Vector;

public class Main {
    public static void main(String[] args) throws Exception {
        SortedProperties sp = new SortedProperties();
        sp.put("B", "value B");
        sp.put("C", "value C");
        sp.put("A", "value A");
        sp.put("D", "value D");
        FileOutputStream fos = new FileOutputStream("sp.props");
        sp.store(fos, "sorted props");
    }

}

class SortedProperties extends Properties {
    public Enumeration keys() {
        Enumeration keysEnum = super.keys();
        Vector<String> keyList = new Vector<String>();
        while (keysEnum.hasMoreElements()) {
            keyList.add((String) keysEnum.nextElement());
        }
        Collections.sort(keyList);
        return keyList.elements();
    }

}