propertiesファイルのFileNotFoundについて

 
 
Exec.java：
package com.test.app;

import java.io.FileInputStream;
import java.util.Properties;

import com.test.etc.Hello;

public class Exec {

	public static void main(String[] args) {
		try{
			Hello samp = new Hello();
			System.out.println(samp.hello());

			Properties prop = new Properties();
			prop.load(new FileInputStream("com/test/etc/test.properties"));
			
			System.out.println(prop.getProperty("key", "none"));

		}catch(Exception e){
			e.printStackTrace();
		}
	}
}

Hello.java：
package com.test.etc;

public class Hello {

	public String hello() {
		return "Hello World!";
	}
	
}

test.properties：
key=property_test

  // 起動に用いたクラスを読み込んだクラスローダを取得
  ClassLoader classLoader = Exec.class.getClassLoader();
  InputStream is = classLoader.getResourceAsStream("com/test/etc/test.properties"));