<s>
AppletViewer	B-Language
is	O
a	O
standalone	O
command-line	O
program	O
from	O
Sun	O
to	O
run	O
Java	B-Application
applets	I-Application
.	O
</s>
<s>
Appletviewer	B-Language
is	O
generally	O
used	O
by	O
developers	O
for	O
testing	O
their	O
applets	O
before	O
deploying	O
them	O
to	O
a	O
website	O
.	O
</s>
<s>
As	O
a	O
Java	O
developer	O
,	O
it	O
is	O
a	O
preferred	O
option	O
for	O
running	O
Java	B-Application
applets	I-Application
that	O
do	O
not	O
involve	O
the	O
use	O
of	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
Even	O
though	O
the	O
applet	O
viewer	O
logically	O
takes	O
the	O
place	O
of	O
a	O
web	B-Application
browser	I-Application
,	O
it	O
functions	O
very	O
differently	O
from	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
The	O
applet	O
viewer	O
operates	O
on	O
HTML	B-Language
documents	O
,	O
but	O
all	O
it	O
looks	O
for	O
is	O
embedded	O
applet	O
tags	O
;	O
any	O
other	O
HTML	B-Language
code	I-Language
in	O
the	O
document	O
is	O
ignored	O
.	O
</s>
<s>
Each	O
time	O
the	O
applet	O
viewer	O
encounters	O
an	O
applet	O
tag	O
in	O
an	O
HTML	B-Language
document	O
,	O
it	O
launches	O
a	O
separate	O
applet	O
viewer	O
window	O
containing	O
the	O
respective	O
applet	O
.	O
</s>
<s>
Because	O
the	O
applet	O
viewer	O
ignores	O
all	O
HTML	B-Language
codes	I-Language
except	O
applet	O
tags	O
,	O
it	O
does	O
not	O
even	O
attempt	O
to	O
display	O
any	O
other	O
information	O
contained	O
in	O
the	O
HTML	B-Language
document	O
.	O
</s>
<s>
An	O
Applet	O
viewer	O
creates	O
an	O
environment	O
that	O
mimics	O
the	O
look	O
and	O
feel	O
of	O
a	O
stand-alone	O
program	O
with	O
no	O
interaction	O
with	O
a	O
web	B-Application
browser	I-Application
,	O
even	O
though	O
it	O
does	O
involve	O
a	O
browser	B-Application
to	O
run	O
an	O
applet	O
.	O
</s>
<s>
Appletviewer	B-Language
is	O
included	O
with	O
Sun	O
's	O
JDK	B-Language
package	O
,	O
but	O
not	O
with	O
Sun	O
's	O
JRE	O
package	O
.	O
</s>
<s>
The	O
Java	B-Language
development	I-Language
kit	I-Language
GCJ	B-Language
also	O
has	O
its	O
own	O
version	O
of	O
appletviewer	B-Language
,	O
called	O
"	O
gappletviewer	O
"	O
.	O
</s>
