<s>
The	O
Java	B-Language
Packager	I-Language
tool	O
is	O
a	O
tool	O
included	O
in	O
the	O
JDK	O
which	O
allows	O
to	O
package	O
Java	O
applications	O
from	O
the	O
command	O
line	O
.	O
</s>
<s>
It	O
is	O
an	O
alternative	O
to	O
using	O
other	O
packaging	O
tools	O
like	O
Apache	B-Application
Ant	I-Application
.	O
</s>
<s>
Note	O
that	O
the	O
Java	B-Language
Packager	I-Language
does	O
not	O
automatically	O
produce	O
a	O
Jar	B-Language
file	I-Language
.	O
</s>
<s>
The	O
Java	B-Language
Packager	I-Language
tool	O
will	O
evolve	O
for	O
JDK	O
9	O
,	O
making	O
it	O
aware	O
of	O
modules	B-Language
,	O
allowing	O
for	O
example	O
to	O
package	O
a	O
module	O
and	O
all	O
the	O
modules	B-Language
it	O
depends	O
on	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
following	O
command	O
will	O
create	O
a	O
outputJar.jar	O
file	O
with	O
the	O
content	O
of	O
the	O
classesDir	O
directory	O
,	O
and	O
will	O
set	O
the	O
myPackager.MainClass	O
as	O
the	O
executable	O
class	O
of	O
the	O
jar	B-Language
file	I-Language
:	O
</s>
