<s>
Pizza	B-Language
is	O
an	O
open-source	B-License
superset	O
of	O
Java	B-Language
1.4	O
,	O
prior	O
to	O
the	O
introduction	O
of	O
generics	B-Language
for	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
In	O
addition	O
to	O
its	O
own	O
solution	O
for	O
adding	O
generics	B-Language
to	O
the	O
language	O
,	O
Pizza	B-Language
also	O
added	O
function	B-Language
pointers	I-Language
and	O
algebraic	O
types	O
with	O
case	O
classes	O
and	O
pattern	B-Language
matching	I-Language
.	O
</s>
<s>
In	O
August	O
2001	O
,	O
the	O
developers	O
made	O
a	O
compiler	B-Language
capable	O
of	O
working	O
with	O
Java	B-Language
.	O
</s>
<s>
Most	O
Pizza	B-Language
applications	O
can	O
run	O
in	O
a	O
Java	B-Language
environment	O
,	O
but	O
certain	O
cases	O
will	O
cause	O
problems	O
.	O
</s>
<s>
Pizza	B-Language
's	O
last	O
version	O
was	O
released	O
in	O
January	O
2002	O
.	O
</s>
<s>
The	O
pattern	B-Language
matching	I-Language
and	O
other	O
functional	O
programming-like	O
features	O
have	O
been	O
further	O
developed	O
in	O
the	O
Scala	B-Application
programming	I-Application
language	I-Application
.	O
</s>
<s>
Martin	O
Odersky	O
remarked	O
,	O
"	O
we	O
wanted	O
to	O
integrate	O
the	O
functional	B-Language
and	O
object-oriented	B-Language
parts	O
in	O
a	O
cleaner	O
way	O
than	O
what	O
we	O
were	O
able	O
to	O
achieve	O
before	O
with	O
the	O
Pizza	B-Language
language	O
.	O
</s>
<s>
 [ ... ] 	O
In	O
Pizza	B-Language
we	O
did	O
a	O
clunkier	O
attempt	O
,	O
and	O
in	O
Scala	B-Application
I	O
think	O
we	O
achieved	O
a	O
much	O
smoother	O
integration	O
between	O
the	O
two.	O
"	O
</s>
