Исходный текст программы PropertyDemo.java

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// =======================================
// PropertyDemo.java
//
// (C) Alexandr Frolov, 1998
// E-mail: frolov@glasnet.ru
// Web:    http://www.glasnet.ru/~frolov
// =======================================

import java.io.*;
import java.util.*;

public class PropertyDemo
{
  static DataOutputStream os;
  static DataInputStream is;

  public static void main(String args[])
  {
    Properties prop = new Properties();
    Properties prop1 = new Properties();
    
    String szStr = "";
    String szPhone = "";
    byte bKbd[] = new byte[256];
    StringTokenizer st;
    
    prop.put("Ivanov",  "322-223-228");
    prop.put("Petrov",  "326-211-227");
    prop.put("Sidorov", "311-225-263");
    prop.put("Ivanoff", "355-243-229");
    
    Enumeration en = prop.keys();
    
    System.out.println("\nProperties:\n"); 
    while(en.hasMoreElements())
    {
      szStr = (String)en.nextElement();
      szPhone = (String)prop.get(szStr);
      System.out.println(szStr + ": "
        + szPhone); 
    }
    
    try
    {
      os = new DataOutputStream(
         new FileOutputStream("prop.txt"));
	 
      prop.save(os, "My properties");
      os.close();
    }
    catch(Exception ex)
    {
      System.out.println(ex.toString()); 
    }

    try
    {
      is = new DataInputStream(
         new FileInputStream("prop.txt"));
      prop1.load(is);
      is.close();
    }
    catch(Exception ex)
    {
      System.out.println(ex.toString()); 
    }
    
    System.out.println("\nLoaded properties:\n"); 
    Enumeration en1 = prop1.keys();
    
    while(en1.hasMoreElements())
    {
      szStr = (String)en1.nextElement();
      szPhone = (String)prop1.get(szStr);
      System.out.println(szStr + ": " +
           szPhone); 
    }
  }
}

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