//How an exception can lost
class AException extends Exception
{   public String toString( )
    {   return "A very important exception!";}
}

class BException extends Exception
{   public String toString( )
    {   return "A trivial exception";}
}

public class LostMessage
{   void f( ) throws AException
    {   throw new AException( );}
    void dispose( ) throws BException
    {   throw new BException( );}
    public static void main(String args[ ]) throws Exception
    {   LostMessage lm=new LostMessage( );
        try
        {   lm.f( );}
        finally
        {   lm.dispose( );}
    }
}