<s>
Java	B-Language
backporting	I-Language
tools	I-Language
are	O
programs	O
(	O
usually	O
written	O
in	O
Java	B-Device
)	O
that	O
convert	O
Java	B-Device
classes	O
bytecodes	B-Language
from	O
one	O
version	O
of	O
the	O
Java	B-Device
Platform	I-Device
to	O
an	O
older	O
one	O
(	O
for	O
example	O
Java	B-Device
5.0	O
backported	O
to	O
1.4	O
)	O
.	O
</s>
<s>
They	O
do	O
not	O
require	O
new	O
byte-code	O
,	O
hence	O
can	O
be	O
compiled	O
to	O
the	O
Java	B-Device
8	O
.	O
</s>
<s>
But	O
,	O
since	O
the	O
Java	B-Language
language	I-Language
was	O
always	O
bound	O
to	O
the	O
JVM	O
development	O
,	O
new	O
language	O
features	O
require	O
the	O
same	O
target	O
as	O
the	O
JVM	O
because	O
they	O
get	O
released	O
all	O
together	O
.	O
</s>
