//Demonstrating fillInStackTrace( )
public class Rethrowing
{   public static void f( ) throws Exception
    {   System.out.println("在 f( ) 中發(fā)生一個異常");
        throw new Exception("從 f( ) 中拋出的異常");
    }
    public static void g( ) throws Throwable
    {   try
        {   f( );}
        catch(Exception e)
        {   System.out.println("在 g( ) 中的異常路徑,e.printStackTrace( )");
            e.printStackTrace( );
            throw e;        
        }
    }
    public static void main(String args[ ]) throws Throwable
    {   try
        {   g( );}
        catch(Exception e)
        {   System.out.println("在主方法中捕捉到異常,e.printStackTrace( )");
            e.printStackTrace( );
        }
    }
}