<s>
Strange	B-Application
Brew	I-Application
was	O
the	O
first	O
computer	O
virus	O
that	O
infects	O
java	B-Language
code	I-Language
—	O
applets	O
and	O
other	O
programs	O
written	O
in	O
java	B-Language
—	O
rather	O
than	O
exploiting	O
the	O
Java	B-Language
virtual	I-Language
machine	I-Language
runtime	B-Application
interpreter	I-Application
.	O
</s>
<s>
It	O
was	O
written	O
in	O
1998	O
by	O
a	O
university	O
student	O
as	O
a	O
demonstration	O
of	O
self-replicating	O
java	B-Language
code	I-Language
as	O
a	O
potential	O
security	O
flaw	O
.	O
</s>
<s>
Standard	O
security	O
features	O
of	O
the	O
java	B-Language
runtime	I-Language
interpreter	B-Application
prevent	O
its	O
spread	O
in	O
most	O
circumstances	O
.	O
</s>
