Difference parsing from String and byte literal

[Neal Gafter]

Actually, since the binary literal is new, this is an opportunity to make
the small letter l at the end illegal.

On Sat, Apr 9, 2011 at 10:44 PM, Dr Heinz M. Kabutz <
heinz at javaspecialists.eu> wrote:

> Please use capital L, especially for a binary number!
>
> long coin = 0b10000000_00000000_00000000_10000000L;
>
>
> Regards
>
> Heinz
> --
> Dr Heinz M. Kabutz (PhD CompSci)
> Author of "The Java(tm) Specialists' Newsletter"
> Sun Java Champion
> IEEE Certified Software Development Professional
> http://www.javaspecialists.eu
> Tel: +30 69 72 850 460
> Skype: kabutz
>
>
>
> On 4/9/11 11:47 PM, Vimil Saju wrote:
> > Shouldn't you use
> > long coin = 0b10000000_00000000_00000000_10000000l;
> > ?
> >
> >
> > --- On Sat, 4/9/11, carsten.zerbst at groy-groy.de <
> carsten.zerbst at groy-groy.de> wrote:
> >
> >
> >> From: carsten.zerbst at groy-groy.de <carsten.zerbst at groy-groy.de>
> >> Subject: Difference parsing from String and byte literal
> >> To: coin-dev at openjdk.java.net
> >> Date: Saturday, April 9, 2011, 12:59 PM
> >> Hello,
> >>
> >> I played a little with the new JDK7 and run into a
> >> inconsistency with
> >> existing code.
> >>
> >> So far I use the following code to represent a mask
> >>
> >>   long SOURCE_ENTITY_TYPE_MASK =
> >> Long.parseLong("10000000" + //
> >>
> >>    "00000000" + //
> >>
> >>    "00000000" + //
> >>
> >>    "10000000", 2);
> >>
> >> Ok, the shiny new version would be
> >>
> >> long coin = 0b10000000_00000000_00000000_10000000;
> >>
> >> But if one print the decimal and binary representation one
> >> gets a difference
> >>
> >> from String 2147483776
> >> from String
> >>
> >> 10000000000000000000000010000000
> >> binary -2147483520
> >> binary
> >> 1111111111111111111111111111111110000000000000000000000010000000
> >>
> >>
> >> This is no problem for my mask but should perhaps be
> >> mentioned in the
> >> tutorial ?
> >>
> >> Bye, Carsten
> >>
> >>
> >>
> >
> >
> >
>
>