小框架：用类加载器加载配置文件

原创于 2011-09-21 20:07:47 发布 · 328 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#框架 #collections #properties #exception #string #import

张孝祥高新技术（1）专栏收录该内容

14 篇文章

订阅专栏

package cn.itcast.day1;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Properties;

public class ReflectTest {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception{
		// TODO Auto-generated method stub
	//InputStream fis=new FileInputStream("config.Properties");
	InputStream fis=ReflectTest.class.getClassLoader().getResourceAsStream("cn/itcast/day1/config.Properties");
	Properties prop=new Properties();
	prop.load(fis);
	fis.close();
	String className=prop.getProperty("className");
	Collection collections=(Collection)Class.forName(className).newInstance();
    //Collection collections=new HashSet();
    ReflectPoint rp1=new ReflectPoint(3,3);
    ReflectPoint rp2=new ReflectPoint(5,5);
    ReflectPoint rp3=new ReflectPoint(3,3);
    
    collections.add(rp1);
    collections.add(rp2);
    collections.add(rp3);
    collections.add(rp1);
    
    
    System.out.println(collections.size());
	}

}