package com.properties;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;
/**
* Properties:Hashtable的子类
* 特点:
* (1)只能操作String类型
* setProperty(String key,String value)
* getProperty(String key)
* (2)可以进行远程属性内容的加载(IO支持)
* load(InputStream/Reader):加载(读取)属性
* store(OutputStream/Writer,String comment):保存(写出)属性 [comment:属性列表的描述]
*
*/
public class TestProperties {
public static void main(String[] args) throws Exception {
Properties prop=new Properties();
FileOutputStream fos=new FileOutputStream("d:\\lock.properties");
FileInputStream fis=new FileInputStream("d:\\lock.properties");
//向prop中添加数据
prop.setProperty("bj", "beijing");
prop.setProperty("cd","chengdu");
//将prop中的属性加载到指定目录中
prop.store(fos, "info area");
//从指定目录读取prop的属性
prop.load(fis);
System.out.println(prop.getProperty("cd"));//chengdu
}
}