//Rethrow a different object from the one that was caught
public class RethrowNew
{   public static void f( ) throws Exception
    {   System.out.println("originating the exception in f( )");
        throw new Exception("throw from f( )");
    }
    public static void main(String[ ] args)
    {   try
        {   f( );}
        catch(Exception e)
        {   System.out.println("Caught in main,e.printStackTrace( )");
            e.printStackTrace( );
            throw new NullPointerException("from main");
        }
    }
}