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import java.io.*;

/**

* Description:

* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>

* <br/>Copyright (C), 2001-2012, Yeeku.H.Lee

* <br/>This program is protected by copyright laws.

* <br/>Program Name:

* <br/>Date:

* @author Yeeku.H.Lee kongyeeku@163.com

* @version 1.0

*/

public class ThrowTest2

{

public static void main(String[] args)

// Java 6认为①号代码可能抛出Exception，

// 所以此处声明抛出Exception

// throws Exception

// Java 7会检查①号代码可能抛出异常的实际类型，

// 因此此处只需声明抛出FileNotFoundException即可。

throws FileNotFoundException

{

try

{

new FileOutputStream("a.txt");

}

catch (Exception ex)

{

ex.printStackTrace();

throw ex; //①

}

}

}