<s>
Java	B-Language
Virtual	I-Language
Machine	I-Language
Tool	O
Interface	B-Application
(	O
JVMTI	B-Language
,	O
or	O
more	O
properly	O
,	O
JVM	B-Language
TI	I-Language
)	O
was	O
introduced	O
in	O
J2SE	B-Language
5.0	O
(	O
Tiger	O
)	O
.	O
</s>
<s>
This	O
interface	B-Application
allows	O
a	O
program	B-Application
to	O
inspect	O
the	O
state	O
and	O
to	O
control	O
the	O
execution	O
of	O
applications	O
running	O
in	O
the	O
Java	B-Language
Virtual	I-Language
Machine	I-Language
(	O
JVM	B-Language
)	O
.	O
</s>
<s>
JVMTI	B-Language
is	O
designed	O
to	O
provide	O
an	O
Application	B-Application
Programming	I-Application
Interface	I-Application
(	O
API	B-Application
)	O
for	O
the	O
development	O
of	O
tools	O
that	O
need	O
access	O
to	O
the	O
state	O
of	O
the	O
JVM	B-Language
.	O
</s>
<s>
Examples	O
for	O
such	O
tools	O
are	O
debuggers	B-Application
or	O
profilers	O
.	O
</s>
<s>
The	O
JVMTI	B-Language
is	O
a	O
native	O
interface	B-Application
of	O
the	O
JVM	B-Language
.	O
</s>
<s>
A	O
library	O
,	O
written	O
in	O
C	B-Language
or	O
C++	B-Language
,	O
is	O
loaded	O
during	O
the	O
initialization	O
of	O
the	O
JVM	B-Language
.	O
</s>
<s>
The	O
library	O
has	O
access	O
to	O
the	O
JVM	B-Language
state	O
by	O
calling	O
JVMTI	B-Language
and	O
JNI	B-Language
(	O
Java	B-Language
Native	I-Language
Interface	I-Language
)	O
functions	O
and	O
can	O
register	O
to	O
receive	O
JVMTI	B-Language
events	O
using	O
event	O
handler	O
functions	O
that	O
are	O
called	O
by	O
the	O
JVM	B-Language
when	O
such	O
an	O
event	O
occurs	O
.	O
</s>
<s>
JVMTI	B-Language
was	O
defined	O
through	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
by	O
JSR-163	O
,	O
the	O
specification	O
for	O
the	O
Java	O
Platform	O
Profiling	O
Architecture	O
.	O
</s>
<s>
The	O
JVMTI	B-Language
replaces	O
the	O
JVMPI	O
(	O
Java	B-Language
Virtual	I-Language
Machine	I-Language
Profiling	O
Interface	B-Application
)	O
and	O
the	O
JVMDI	B-Language
(	O
Java	B-Language
Virtual	I-Language
Machine	I-Language
Debug	O
Interface	B-Application
)	O
.	O
</s>
<s>
The	O
JVMPI	O
and	O
the	O
JVMDI	B-Language
are	O
declared	O
as	O
being	O
deprecated	O
in	O
J2SE	B-Language
5.0	O
and	O
were	O
removed	O
in	O
Java	O
SE6	O
.	O
</s>
<s>
JVMTI	B-Language
is	O
the	O
lowest-level	O
of	O
the	O
Java	B-Language
Platform	I-Language
Debugger	I-Language
Architecture	I-Language
.	O
</s>
