package com.fly.Test;/** *   sunlovefly *  :2012.8 * 旨在熟悉类的操纵，包括：Properties、Enumeration、HashMap、Set等 */ import java.io.FileInputStream;import java.io.FileOutputStream;import java.util.Enumeration;import java.util.HashMap;import java.util.HashSet;import java.util.Iterator;import java.util.Map;import java.util.Properties;import java.util.Set;public class PropertyEditor {		public static void main(String[] args)throws Exception{		Properties prop = new Properties();// 属性集合对象  		prop.setProperty("name", "sunfei");		prop.setProperty("sex", "male");		prop.setProperty("age", "22");		prop.setProperty("city", "珠海");        FileOutputStream fos = new FileOutputStream("prop.properties");           //将Properties集合保存到流中,写入属性文件         prop.store(fos, "Copyright (c) sunfly");        fos.close();// 关闭流                   Properties prop1 = new Properties();        //从属性文件中读取属性信息初始化属性对象        FileInputStream fis = new FileInputStream("prop.properties");        prop1.load(fis);        fis.close();                //遍历属性文件中的信息        Enumeration enume = null;        enume = prop1.propertyNames();                //哈希表存储数据        HashMap
    
      map = new HashMap
     
      ();        while(enume.hasMoreElements()){        	String name = (String)enume.nextElement();        	String value = prop1.getProperty(name);        	map.put(name, value);        	System.out.println(name+"  :  "+value);        }        //遍历哈希表中的数据        //方法1：        for(Iterator iter = map.keySet().iterator();iter.hasNext();){        	Object key = iter.next();        	Object val = map.get(key);        	System.out.println("key:"+key+"---->value:"+val);        }        //方法2：        for(Iterator iter = map.entrySet().iterator();iter.hasNext();){        	Map.Entry entry = (Map.Entry)iter.next();        	Object key = entry.getKey();        	Object val = entry.getValue();        	System.out.println("key:"+key+"---->value:"+val);        }                //使用集合遍历        Set