避免缓存，Java动态加载配置文件

package com.cn.test;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.Properties;
import java.util.Scanner;
public class FileTest {
	public static void main(String[] args) throws IOException {
		Properties prop=new Properties();
		String path=null;
		System.out.println(new File("").getCanonicalPath()+"\\setting.txt");
//		String path = Thread.currentThread().getContextClassLoader().getResource("setting.txt").getPath();
		if(path==null)
		{
			path="./setting.txt";
		}
		
		FileInputStream in=null;
		while(true){
			Scanner sc = new Scanner(System.in);
			String s = sc.next();
			char c = s.charAt(0);
			if(c==‘0‘)
			{
				break;
			}
			
			try {
				path = URLDecoder.decode(path, "UTF-8");
				in = new FileInputStream(path);
				prop.load(in);
				prop.list(System.out);
			} catch (Exception e) {
				e.printStackTrace();
			}finally{
				try {
					if(in!=null){
						in.close();
					}
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
	}
}

A=2323333dsfds