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Matéria falando sobre o poder do desenvolvedor, o grande número de frameworks e ferramentas para o desenvolvimento java.
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OR
AC
LE
.CO
M/J
AV
AM
AG
AZ
INE
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//J
UL
Y/A
UG
US
T 2
012
34
blog
01
02
03
04
05
06
CH
OO
SE
YO
UR
TO
OL
JAVA TECHCOMMUNITY JAVA IN ACTION ABOUT US
PH
OT
OG
RA
PH
Y B
Y B
OB
AD
LE
R
Mo
der
n e
ra a
gile
so
ftw
are
dev
elo
p-
men
t is
pre
dic
ated
up
on
iter
ative
,
incr
emen
tal d
evel
op
men
t p
roce
sses
,
wit
h c
on
tin
uo
us
inte
grati
on
(C
I) o
f fi
xes
and
enh
ance
men
ts. W
ith
th
e n
eed
fo
r su
ch C
I
com
es t
he
com
ple
xity
of
man
agin
g ge
ogr
aph
i-
call
y d
istr
ibu
ted
tea
ms
that
are
uti
lizi
ng
op
en
sou
rce
mo
du
les
and
fra
mew
ork
s o
bta
ined
in
a so
meti
mes
un
regu
late
d a
nd
un
do
cum
ente
d
fash
ion
acr
oss
th
e in
tern
et.
Fo
rtu
nat
ely,
a r
ich
sta
ck o
f to
ol o
ffer
ings
enab
les
dev
elo
pm
ent
team
s to
mo
re e
ffec
-
tive
ly t
rack
, bu
ild
, in
tegr
ate,
an
d m
anag
e so
ft-
war
e p
roje
cts
and
th
eir
mo
du
les.
Th
is a
rticl
e
dis
cuss
es m
any
of
the
too
ls a
vail
able
to
day
;
ho
wev
er, t
his
is b
y n
o m
ean
s a
com
ple
te,
defi
niti
ve li
st. Y
ou
may
hav
e o
ther
fav
ori
tes
that
are
no
t in
clu
ded
; let
us
kno
w.
Java
.net
, am
on
g o
ther
th
ings
, pro
vid
es a
del
iver
y ch
ann
el f
or
som
e o
f th
e te
chn
olo
gies
des
crib
ed in
th
e fo
llo
win
g p
ages
.
BY
ST
EV
E M
ELO
AN
WIT
H C
ON
TR
IBU
TIO
NS
BY
JAN
ICE
J. H
EIS
S
Wit
h a
bev
y o
f W
eb-b
ased
dev
elo
pm
ent
too
ls
avai
lab
le, i
t’s
a gr
eat
tim
e to
be
a Ja
va d
evel
op
er.
01
BU
ILD
AU
TO
MA
TIO
N T
OO
LS
02
CO
NT
INU
OU
S I
NT
EG
RA
TIO
N T
OO
LS
03
OP
EN
SO
UR
CE
MO
DU
LE
S
04
SO
FT
WA
RE
CO
NF
IG M
AN
AG
EM
EN
T
05
RE
PO
SIT
OR
Y M
AN
AG
EM
EN
T
06
RU
NT
IME
AN
AL
YS
IS
DEVE
LOPE
RPO
WER
OR
AC
LE
.CO
M/J
AV
AM
AG
AZ
INE
////
////
////
////
////
////
////
////
////
////
//J
UL
Y/A
UG
US
T 2
012
35
blog
01
02
03
04
05
06
CH
OO
SE
YO
UR
TO
OL
JAVA TECHCOMMUNITY JAVA IN ACTION ABOUT US
A b
uil
d a
uto
mati
on
to
ol i
dea
lly
pro
vid
es
the
abil
ity
to b
uil
d a
giv
en p
roje
ct w
ith
a
sin
gle
com
man
d, m
ob
iliz
ing
all t
he
mo
du
les,
arti
fact
s, li
bra
ries
, an
d c
od
e
nec
essa
ry t
o t
hat
pro
ject
.
Ap
ach
e M
aven
. Ho
sted
by
the
Ap
ach
e
So
ftw
are
Fo
un
dati
on
an
d w
ritt
en in
Java
,
Mav
en c
an b
e u
sed
to
bu
ild
pro
ject
s in
Java
, as
wel
l as
C#
, Ru
by,
Sca
la, a
nd
oth
er
lan
guag
es. I
t o
per
ates
fro
m a
n X
ML
file
,
bu
t u
ses
a ve
ry d
iffer
ent
par
adig
m f
rom
An
t. R
ath
er t
han
sim
ply
ch
ain
ing
toge
ther
seq
uen
tial
bu
ild
tas
ks, a
s o
ccu
rs w
ith
An
t, M
aven
defi
nes
a p
roje
ct in
ter
ms
of
its
dep
end
enci
es, e
xter
nal
mo
du
les
and
com
po
nen
ts, b
uil
d o
rder
, dir
ecto
ries
, an
d
req
uir
ed p
lug-
ins.
Mav
en p
roje
cts
are
defi
ned
via
a P
roje
ct O
bje
ct M
od
el (
PO
M)
file
(p
om
.xm
l). M
aven
dyn
amic
ally
do
wn
-
load
s Ja
va li
bra
ries
an
d M
aven
plu
g-in
s
fro
m e
ith
er t
he
Mav
en C
entr
al r
epo
sito
ry
or
oth
er d
efin
ed s
oft
war
e re
po
sito
ries
.
Larg
er M
aven
pro
ject
s ar
e ty
pic
ally
div
ided
into
sev
eral
su
bp
roje
cts,
eac
h
wit
h it
s o
wn
PO
M fi
le, b
ut
wit
h a
ro
ot
PO
M t
o c
om
pil
e th
e m
aste
r p
roje
ct v
ia
a si
ngl
e co
mm
and
. Th
e M
aven
plu
g-in
arch
itec
ture
all
ow
s it
to
inte
rfac
e w
ith
bu
ild
to
ols
fo
r o
ther
lan
guag
es, i
ncl
ud
ing
the
.NE
T f
ram
ewo
rk a
nd
C/
C+
+. P
op
ula
r
IDE
s th
at s
up
po
rt d
evel
op
men
t w
ith
Mav
en in
clu
de
Ecl
ipse
, In
tell
iJ, J
Bu
ild
er,
JDev
elo
per
, an
d N
etB
ean
s.
Gra
dle
. Wri
tten
in Ja
va a
nd
Gro
ovy
, Gra
dle
bu
ilds
up
on
th
e co
nce
pts
of A
nt
and
Mav
en b
ut
use
s a
Gro
ovy
-bas
ed D
om
ain
-
01
BU
ILD
AU
TO
MA
TIO
N T
OO
LS“I
fin
d A
pa
ch
e A
nt
(An
oth
er N
eat
Tool
) ve
ry
use
ful f
or a
uto
mat
ing
th
e
bu
ild p
roce
ss. I
esp
ecia
lly
app
reci
ate
its
use
of
XM
L, w
hic
h f
acili
tate
s
bu
ild-s
crip
t cr
eati
on, a
nd
th
e J
Un
it t
ask,
wh
ich
fac
ilita
tes
inte
gra
tion
of
JU
nit
tes
t-
ing
into
th
e p
roce
ss.”
—J
eff
Fri
ese
n,
Fre
elan
ce D
evel
oper
an
d E
du
cato
r
“I lo
ve u
sin
g M
ave
n in
larg
e
org
aniz
atio
ns—
wh
ere
man
y
dev
elop
ers
are
wor
kin
g o
n
mu
ltip
le p
roje
cts.
Som
e ve
ry
dee
p t
hou
gh
t ab
out
the
soft
war
e p
roje
ct
lifec
ycle
has
gon
e in
to M
aven
ove
r th
e ye
ars,
and
its
stri
ct s
tan
dar
ds
app
roac
h w
orks
bri
l-
lian
tly
wh
ere
chao
s ca
n p
oten
tial
ly a
bou
nd
.
It d
oesn
’t m
atte
r w
hic
h p
roje
ct d
evel
oper
s
join
. A M
aven
mvn
cle
an in
stal
l com
man
d
bu
ilds,
tes
ts, p
acka
ges
, an
d in
stal
ls a
loca
l
cop
y of
th
e ap
plic
atio
n f
or t
hem
, let
tin
g
them
get
sta
rted
wit
h t
hei
r co
din
g.
Hav
ing
goo
d b
uild
an
d C
I pro
cess
es in
pla
ce m
ean
s th
at y
ou c
an w
rite
cod
e m
ore
qu
ickl
y an
d m
ain
tain
a h
igh
er b
ar o
f q
ual
-
ity.
In c
onju
nct
ion
wit
h T
DD
[te
st-d
rive
n
dev
elop
men
t], b
uild
an
d C
I mea
ns
you
can
rap
idly
ref
acto
r w
ith
out
fear
! T
hin
k of
it a
s
hav
ing
a m
ento
r lo
okin
g o
ver
you
r sh
ould
er—
pro
vid
ing
a s
afe
and
con
trol
led
en
viro
nm
ent
in w
hic
h y
ou c
an q
uic
kly
cod
e an
d m
ake
bol
d c
han
ges
.”
—M
art
ijn
Ve
rbu
rg, C
oau
thor
,
Th
e W
ell-
Gro
un
ded
Ja
va D
evel
oper
EX
PE
RT
OP
INIO
N
“Id
enti
fyin
g a
nd
dow
nlo
ad-
ing
th
e co
rrec
t ve
rsio
ns
of a
Jav
a p
roje
ct’s
dep
end
ent
JAR
file
s, w
hic
h m
ay h
ave
bee
n
obta
ined
fro
m a
var
iety
of
onlin
e so
urc
es, i
s
a th
ankl
ess
and
oft
en e
rror
-pro
ne
acti
vity
.
Ma
ven
tak
es c
are
of t
his
for
you
, an
d e
ffec
-
tive
ly s
tru
ctu
res
you
r pro
ject
so
as t
o el
imi-
nat
e a
hos
t of
set
up
an
d c
onfi
gu
rati
on is
sues
.
Mav
en p
rovi
des
plu
g-i
ns
that
en
cou
rag
e an
d
pro
mot
e g
ood
sta
nd
ard
sof
twar
e p
ract
ices
—
incl
ud
ing
un
it t
esti
ng
, ver
sion
con
trol
, an
d
stan
dar
diz
ed re
leas
e p
roce
sses
.
A c
ontr
olle
d p
roce
ss li
ke M
aven
’s m
akes
dev
elop
men
t w
ith
in a
tea
m f
ar m
ore
effi-
cien
t an
d s
cala
ble
. An
d t
he
doc
um
enta
tion
and
sit
e re
por
ts a
dd
to
Mav
en’s
val
ue
as
a fu
ll-fe
atu
red
pro
ject
man
agem
ent
and
com
pre
hen
sion
too
l.”
—C
as
Sa
tern
os,
Ora
cle
Cer
tifi
ed D
BA
an
d
Su
n C
erti
fied
Jav
a P
rog
ram
mer
“For
me,
th
e re
al d
iffer
ence
is b
etw
een
too
ls t
hat
hav
e
a p
oin
t of
vie
w a
bou
t h
ow
dev
elop
men
t p
roce
sses
shou
ld w
ork
and
th
ose
that
don
’t. I
cal
l
thes
e tw
o ty
pes
‘too
ls a
nd
met
atoo
ls.’
Ma
ven
is a
bu
ild t
ool,
bec
ause
it e
ssen
tial
ly
forc
es y
ou t
o ad
apt
to t
he
Mav
en li
fecy
cle
and
way
of
doi
ng
th
ing
s. A
nt
doe
sn’t
com
e
wit
h s
uch
a p
oin
t of
vie
w—
inst
ead
, you
hav
e to
bu
ild u
p t
arg
ets
and
a s
equ
ence
bas
ed o
n y
our
own
pro
ject
life
cycl
e. S
ome
team
s p
refe
r th
e ad
dit
ion
al s
tru
ctu
re w
hic
h
com
es w
ith
a t
ool l
ike
Mav
en, w
her
eas
oth
er
team
s ob
ject
to
hav
ing
to
fit
in w
ith
th
e
dem
and
s of
th
e M
aven
life
cycl
e.”
—B
en
Eva
ns,
Coa
uth
or,
Th
e W
ell-
Gro
un
ded
Ja
va D
evel
oper
Ant/
Ivy
101
Ap
ac
he
An
t.
Sim
ilar
to t
he
dec
ades
-old
UN
IX M
ake
in s
ome
resp
ects
,Ap
ach
e A
nt
is w
ritt
en in
Jav
a an
d is
bes
t su
ited
to
bu
ildin
g J
ava
pro
ject
s. It
use
s an
XM
L fi
le
(bu
ild.x
ml)
to
defi
ne
a g
iven
bu
ild p
roce
ss
and
its
dep
end
enci
es. W
ith
in t
he
bu
ild fi
le,
An
t ca
n a
lso
del
egat
e b
uild
wor
k to
eit
her
nat
ive
or J
ava-
bas
ed e
xter
nal
pro
gra
ms.
On
e of
An
t’s
pri
mar
y g
oals
was
to
solv
e
the
por
tab
ility
issu
es o
f M
ake,
wh
ere
dif
-
fere
nt
pla
tfor
ms
req
uir
ed d
iffer
ent
scri
pt
com
man
ds.
An
t p
rovi
des
bu
ilt-i
n f
un
c-
tion
alit
y d
esig
ned
to
beh
ave
the
sam
e on
all p
latf
orm
s. It
has
lim
ited
fau
lt-h
and
ling
cap
abili
ties
an
d n
o p
ersi
sten
ce o
f st
ate,
so
it is
pri
mar
ily u
sefu
l on
ly f
or c
lass
ic b
uild
and
tes
t p
roce
sses
.
An
t is
su
pp
orte
d b
y m
ost
maj
or ID
Es,
incl
ud
ing
Ecl
ipse
, In
telli
J, J
Bu
ilder
,
JD
evel
oper
, Net
Bea
ns,
an
d W
ebS
ph
ere.
Ap
ac
he
Ivy.
Wri
tten
in J
ava,
Ap
ach
e Iv
y
is a
su
bp
roje
ct o
f th
e A
pac
he
An
t p
roje
ct,
serv
ing
as
a tr
ansi
tive
rel
atio
n d
epen
-
den
cy m
anag
er. A
n X
ML
file
defi
nes
pro
ject
dep
end
enc
ies
and
th
e re
sou
rces
nec
essa
ry t
o b
uild
th
e g
iven
pro
ject
.
Ivy
reso
lves
an
d d
own
load
s re
qu
ired
reso
urc
es f
rom
th
e sp
ecifi
ed r
epo
sito
ries
.
Wh
erea
s M
aven
is a
co
mp
lete
bu
ild t
oo
l,
wit
h b
uilt
-in
dep
end
ency
man
agem
ent,
Ivy
foc
use
s sp
ecifi
cally
on
dep
end
ency
man
agem
ent
fun
ctio
nal
ity,
wo
rkin
g in
par
tner
ship
wit
h A
nt.
OR
AC
LE
.CO
M/J
AV
AM
AG
AZ
INE
////
////
////
////
////
////
////
////
////
////
//J
UL
Y/A
UG
US
T 2
012
36
blog
01
02
03
04
05
06
CH
OO
SE
YO
UR
TO
OL
JAVA TECHCOMMUNITY JAVA IN ACTION ABOUT US
EX
PE
RT
OP
INIO
N
Sp
ecifi
c La
ngu
age
(DS
L) r
ath
er t
han
XM
L.
Gra
dle
use
s a
dir
ecte
d a
cycl
ic g
rap
h (
DA
G)
to d
eter
min
e th
e o
rder
in w
hic
h b
uild
task
s sh
ou
ld b
e ru
n. G
rad
le’s
DS
L is
ext
en-
sib
le, a
llow
ing
for
the
add
itio
n o
f new
lan
guag
e el
emen
ts o
r th
e en
han
cem
ent
of e
xisti
ng
elem
ents
. In
ten
ded
to
man
age
larg
e, m
ulti
pro
ject
bu
ilds,
Gra
dle
inte
l-
ligen
tly
det
erm
ines
wh
ich
par
t o
f a b
uild
tree
is c
urr
ent,
so
th
at a
lrea
dy
up
-to
-dat
e
dep
end
ent
bra
nch
es n
eed
n’t
be
reb
uilt
.
Gra
dle
off
ers
sup
po
rt a
nd
tra
nsi
tive
dep
end
ency
man
agem
ent
for
exis
tin
g
Mav
en a
nd
Ivy
rep
osi
tori
es a
nd
als
o p
ro-
vid
es a
co
nve
rter
to
tra
nsl
ate
Mav
en P
OM
file
s in
to G
rad
le s
crip
ts.
02
CO
NT
INU
OU
S I
NT
EG
RA
TIO
N T
OO
LS
Wh
en p
rop
erly
imp
lem
ente
d, C
I re
qu
ires
that
eac
h c
om
mit
of
new
so
ftw
are
be
acco
mp
anie
d b
y a
com
ple
te b
uil
d a
nd
run
, an
d t
hat
it p
ass
all d
efin
ed u
nit
tes
ts.
Wit
h t
he
adve
nt
of
CI
too
ls, t
his
ch
ange
in c
om
mit
fu
ncti
on
alit
y h
as in
crea
sin
gly
bec
om
e h
igh
ly s
op
his
tica
ted
an
d a
uto
-
mat
ed. C
I to
ols
incl
ud
e C
ruis
eCo
ntr
ol,
Hu
dso
n, J
enki
ns,
Bam
bo
o, B
uil
dM
aste
r,
An
thil
lPro
, an
d T
eam
city
.
Th
e b
ig-p
ictu
re g
oa
l of
such
CI
too
ls is
to w
rap
co
nfi
gu
rab
le in
tell
igen
ce (
tha
t
can
be
exte
nd
ed w
ith
plu
g-i
ns)
aro
un
d
the
pro
cess
of
vers
ion
co
ntr
ol,
bu
ild
s,
testi
ng
, an
d r
epo
rtin
g o
f re
sult
s. B
elo
w is
a s
am
pli
ng
of
po
pu
lar
CI
too
ls, i
ncl
ud
ing
two
rec
ent
win
ner
s o
f th
e D
uke
’s C
ho
ice
Aw
ard
, Hu
dso
n a
nd
Jen
kin
s.
Hu
dso
n. W
inn
er o
f th
e 2
00
8 D
uke
’s
Ch
oic
e A
wa
rd in
th
e D
evel
op
er S
olu
tio
ns
cate
go
ry, H
ud
son
is a
po
pu
lar
alt
ern
a-
tive
to
Cru
iseC
on
tro
l. H
ud
son
pro
vid
es
an
ea
sy-t
o-u
se, G
UI-
ba
sed
co
nfi
gu
rab
le
syst
em f
or
inte
gra
tin
g c
ha
ng
es t
o a
pro
ject
—o
bta
inin
g e
xpli
cit
fres
h b
uil
ds
of
the
pro
ject
, sch
edu
lin
g f
utu
re b
uil
ds,
an
d m
on
ito
rin
g t
he
resu
lts
of
exte
rna
lly
run
job
s (s
uch
as
cro
n jo
bs)
, in
clu
din
g
tho
se t
ha
t ex
ecu
te o
n r
emo
te m
ach
ines
.
Res
ult
s ca
n b
e m
on
ito
red
via
e-m
ail
or
RS
S, a
nd
th
ird
-pa
rty
plu
g-i
ns
off
er a
dd
i-
tio
na
l ext
ensi
ble
fu
ncti
on
ali
ty.
Hu
dso
n is
wri
tten
in Ja
va, a
nd
ru
ns
in a
Ser
vlet
co
nta
iner
(su
ch a
s A
pac
he
Tom
cat
or
Gla
ssF
ish
). It
can
exe
cute
An
t- a
nd
Mav
en-b
ased
pro
ject
s as
wel
l as
sim
ple
shel
l scr
ipts
an
d M
icro
soft
Win
do
ws
bat
ch
com
man
ds,
an
d c
an d
istr
ibu
te b
uild
/
test
load
s to
mu
ltip
le c
om
pu
ters
, as
wel
l
as k
eep
tra
ck o
f wh
ich
bu
ilds
pro
du
ced
wh
ich
JAR
s. P
lug-
ins
pro
vid
e in
tegr
atio
n
wit
h m
ost
ver
sio
n c
on
tro
l sys
tem
s an
d
bu
g d
atab
ases
an
d c
an a
dd
new
fun
c-
tio
nal
ity
or
even
ch
ange
th
e ap
pea
ran
ce
of H
ud
son
. Mea
nw
hile
, bu
ild t
est
rep
ort
s
can
be
gen
erat
ed in
a v
arie
ty o
f fo
rmat
s
(JU
nit
is s
up
po
rted
ou
t o
f th
e b
ox)
.
Ora
cle
con
tin
ues
to
dev
elo
p H
ud
son
alo
ng
wit
h t
he
com
mu
nit
y at
larg
e. B
ut
in Ja
nu
ary
20
11, a
fo
rk o
f th
e p
roje
ct w
as
crea
ted
an
d n
amed
Jen
kin
s.
Jen
kin
s. O
rigi
nal
ly b
egu
n a
s th
e H
ud
son
“My
met
atoo
l of
choi
ce is
Net
Bea
ns,
Jav
a E
E E
dit
ion
.
It in
teg
rate
s M
ave
n 3
;
JU
nit
; An
t; H
ud
son
/
Je
nk
ins;
an
d c
oun
tles
s J
ava
EE
hin
ts, w
iz-
ard
s, a
nd
ext
ensi
ons.
You
get
an
ext
rem
ely
pro
du
ctiv
e en
viro
nm
ent
wit
h a
sin
gle
clic
k—
no
plu
g-i
n fi
dd
ling
req
uir
ed.”
—A
da
m B
ien
, Jav
a C
ham
pio
n
“Je
nk
ins
is a
n a
wes
ome
tool
for
con
tin
uou
s in
teg
rati
on.
Wit
h it
, you
can
com
bin
e al
l
the
wor
k of
a t
eam
wit
h le
ss
erro
r an
d m
ore
qu
alit
y/p
rod
uct
ivit
y—w
hile
mon
itor
ing
sta
tus
and
th
e n
um
ber
of
test
s.
An
d, y
es, y
ou c
an u
se J
Un
it!
Th
ere
are
alm
ost
too
man
y av
aila
ble
plu
g-i
ns—
for
exam
ple
, Son
ar, w
hic
h v
erifi
es t
he
qu
alit
y of
you
r te
am’s
cod
e, t
est
cove
rag
e, d
up
licat
ion
of c
ode,
an
d s
o on
.”
—O
távi
o G
on
ça
lve
s d
e S
an
tan
a,
JU
G L
ead
er, J
ava
Bah
ia
“Co
mb
inin
g s
ma
rt f
eatu
res
of
bot
h A
nt
an
d M
aven
,
an
d b
ein
g p
ower
ed b
y
Gro
ovy,
Gra
dle
pro
vid
es
a n
ew a
nd
pow
erfu
l way
to
ha
nd
le y
ou
r
del
iver
y p
ipel
ines
.”
—M
ich
ae
l Hü
tte
rma
nn
, Jav
a C
ham
pio
n
“Hav
ing
bee
n a
Jav
a d
evel
-
oper
sin
ce n
earl
y th
e b
egin
-
nin
g (
sum
mer
of
’95
), I
hav
e
a co
llect
ion
of
open
sou
rce
pro
ject
s th
at I
eith
er f
oun
ded
or
still
mai
n-
tain
. As
a fu
ll-ti
me
rese
arch
er, a
nd
als
o a
new
fat
her
, I n
eed
a s
yste
m t
o re
liab
ly m
an-
age
thes
e p
roje
cts
and
pu
sh o
ut
rele
ases
.
Th
at’s
wh
at H
ud
son
is t
o m
e. I’
ve b
een
usi
ng
it f
or s
ever
al y
ears
now
an
d c
onti
nu
e
to lo
ve it
—it
just
wor
ks.”
—J
osh
Ma
rin
ac
ci,
Jav
a C
ham
pio
n
“Hu
dso
n/J
en
kin
s ar
e C
I
tool
s, s
o th
e fi
rst
thin
g t
hat
com
es t
o m
ind
is t
hat
th
ey
‘exe
cute
tes
ts.’
Cor
rect
. Bu
t
they
do
so m
uch
mor
e. W
ith
th
e p
rop
er s
et
of p
lug
-in
s—su
ch a
s te
st c
over
age
and
stat
ic a
nal
ysis
—th
ey p
rovi
de
ever
yon
e in
th
e
dev
elop
men
t te
am w
ith
a h
igh
ly v
alu
able
info
rmat
ion
cen
ter
on t
he
hea
lth
of
the
pro
j-
ect.
Dev
elop
ers
can
au
ton
omou
sly
veri
fy t
he
qu
alit
y of
th
e co
de
they
are
wri
tin
g, a
nd
pro
j-
ect
lead
ers
can
kee
p e
very
thin
g u
nd
er c
on-
trol
, mon
itor
ing
bot
h t
he
pro
gre
ss a
nd
th
e
tech
nic
al d
ebt.
Th
e b
est
of H
ud
son
/Jen
kin
s
hap
pen
s w
ith
Mav
en-b
ased
pro
ject
s, t
han
ks
to M
aven
pro
file
s. T
his
com
bin
atio
n m
akes
it e
asie
r to
bu
ild o
n m
ult
iple
con
fig
ura
tion
s—
such
as
JD
Ks
and
dat
abas
es. I
n a
dd
itio
n,
Mav
en c
an w
arn
you
ab
out
wh
eth
er t
he
libra
ry v
ersi
ons
you
’re
usi
ng
will
bre
ak y
our
bu
ild d
ue
to a
reg
ress
ion
.”
—F
ab
rizi
o G
iud
ici,
Sen
ior
Jav
a A
rch
itec
t, T
idal
wav
e
OR
AC
LE
.CO
M/J
AV
AM
AG
AZ
INE
////
////
////
////
////
////
////
////
////
////
//J
UL
Y/A
UG
US
T 2
012
37
blog
01
02
03
04
05
06
CH
OO
SE
YO
UR
TO
OL
JAVA TECHCOMMUNITY JAVA IN ACTION ABOUT US
CI
too
l, t
he
Jen
kin
s p
roje
ct w
as c
reat
ed in
Jan
uar
y 2
011
. Bo
th H
ud
son
an
d Je
nki
ns
con
sid
er t
he
oth
er t
o b
e a
fork
, wit
h s
epa-
rate
dev
elo
pm
ent
bra
nch
es.
Win
ner
of
the
20
08
Du
ke’s
Ch
oic
e
Aw
ard
(as
Hu
dso
n)
in t
he
Dev
elo
per
So
luti
on
s ca
tego
ry, J
enki
ns
pro
vid
es a
n
easy
-to
-use
, GU
I-b
ased
co
nfi
gura
ble
syst
em f
or
inte
grati
ng
chan
ges
to a
pro
ject
, ob
tain
ing
exp
lici
t fr
esh
bu
ild
s
of
a p
roje
ct, s
ched
uli
ng
futu
re b
uil
ds,
and
mo
nit
ori
ng
the
resu
lts
of
exte
rnal
ly
run
job
s (s
uch
as
cro
n jo
bs)
, in
clu
din
g
tho
se t
hat
exe
cute
on
rem
ote
mac
hin
es.
Res
ult
s ca
n b
e m
on
ito
red
via
e-m
ail o
r
RS
S, a
nd
th
ird
-par
ty p
lug-
ins
off
er a
dd
i-
tio
nal
ext
ensi
ble
fu
ncti
on
alit
y.
Jen
kin
s is
wri
tten
in Ja
va, a
nd
ru
ns
in a
Ser
vlet
co
nta
iner
(su
ch a
s To
mca
t
or
Gla
ssF
ish
). I
t ca
n e
xecu
te A
nt-
an
d
Mav
en-b
ased
pro
ject
s as
wel
l as
sim
ple
shel
l scr
ipts
an
d W
ind
ow
s b
atch
co
m-
man
ds,
an
d c
an d
istr
ibu
te b
uil
d/
test
load
s to
mu
ltip
le c
om
pu
ters
, as
wel
l
as k
eep
tra
ck o
f w
hic
h b
uil
ds
pro
du
ced
wh
ich
JAR
s. P
lug-
ins
pro
vid
e in
tegr
atio
n
wit
h m
ost
ver
sio
n c
on
tro
l sys
tem
s an
d
bu
g d
atab
ases
an
d c
an a
dd
new
fu
nc-
tio
nal
ity
or
even
ch
ange
th
e ap
pea
ran
ce
of
Jen
kin
s. M
ean
wh
ile,
bu
ild
tes
t re
po
rts
can
be
gen
erat
ed in
a v
arie
ty o
f fo
rmat
s
(JU
nit
is s
up
po
rted
ou
t o
f th
e b
ox)
.
Cru
iseC
on
tro
l. W
ritt
en in
Java
,
Cru
iseC
on
tro
l pro
vid
es a
n e
xten
sib
le
fram
ewo
rk f
or
cust
om
CI
pro
cess
ing.
Its
feat
ure
s in
clu
de
a W
eb in
terf
ace
to m
on
i-
tor
curr
ent
and
pas
t b
uil
ds;
plu
g-in
s fo
r a
vari
ety
of
sou
rce
con
tro
ls, b
uil
d t
ech
no
lo-
gies
, an
d n
oti
fica
tio
n s
chem
es; i
nte
rfac
es
for
po
pu
lar
bu
ild
au
tom
atio
n t
oo
ls s
uch
as A
nt
and
Mav
en, a
s w
ell a
s a
stan
dar
d
exec
bu
ild
er; a
nd
po
rts
of
Cru
iseC
on
tro
l
for
.NE
T (
Cru
iseC
on
tro
l.N
ET
) an
d R
ub
y
(Cru
iseC
on
tro
l.rb
).
Too
lsC
lou
d. A
lmo
st in
a c
on
cep
tual
cat
-
ego
ry b
y it
self
, To
ols
Clo
ud
is e
ffec
tive
ly
a h
ybri
d c
lou
d-b
ased
ID
E t
hat
incl
ud
es
pro
ject
man
agem
ent,
CI
fun
ctio
nal
ity
(in
clu
din
g b
uil
d a
uto
mati
on
an
d a
uto
-
mat
ed t
esti
ng
), m
etri
cs a
nd
an
alys
is,
and
a b
road
arr
ay o
f d
evel
op
men
t to
ols
.
Ava
ilab
le v
ia a
mo
nth
ly s
ub
scri
pti
on
pla
n,
and
ho
sted
on
Am
azo
n E
lasti
c C
om
pu
te
Clo
ud
(E
C2
), T
oo
lsC
lou
d in
clu
des
Git
(so
ftw
are
con
figu
rati
on
man
agem
ent)
,
Red
min
e (p
roje
ct m
anag
emen
t an
d b
ug-
trac
kin
g to
ol)
, Nex
us
(arti
fact
man
age-
men
t), H
ud
son
/Je
nki
ns
(CI)
, an
d m
ore
.
Too
lsC
lou
d f
eatu
res
a m
anag
emen
t
cale
nd
ar a
nd
tra
ckin
g, r
epo
rtin
g, a
nd
sta
-
tisti
cs t
oo
ls a
s w
ell a
s m
etri
cs h
isto
ry a
nd
anal
ysis
to
ols
. It
easi
ly in
tegr
ates
wit
h
you
r ID
E o
f ch
oic
e.
03
OP
EN
SO
UR
CE
MO
DU
LES
Bec
ause
mo
der
n s
oft
war
e d
evel
op
men
t
invo
lves
geo
grap
hic
ally
dis
trib
ute
d t
eam
s
that
use
div
erse
op
en s
ou
rce
mo
du
les
and
fra
mew
ork
s ac
qu
ired
fro
m a
cro
ss
the
inte
rnet
, pro
ject
s ca
n r
un
co
nsi
der
-
able
sec
uri
ty, c
on
sist
ency
, an
d r
elia
bil
ity
risk
s. A
cco
rdin
g to
a s
urv
ey c
on
du
cted
by
So
nat
ype,
mo
re t
han
80
per
cen
t o
f ty
pi-
cal s
oft
war
e ap
pli
cati
on
s co
nsi
st o
f o
pen
sou
rce
com
po
nen
ts a
nd
fra
mew
ork
s. Y
et
man
y st
ud
ies
fin
d a
sta
gge
rin
g u
se o
f vu
l-
ner
able
, in
secu
re, a
nd
no
nd
ocu
men
ted
op
en s
ou
rce
off
erin
gs. S
on
atyp
e fi
nd
s
that
on
ly 3
2 p
erce
nt
of
team
s m
ain
tain
a
det
aile
d “
bil
l of
mat
eria
ls”
reco
rd o
f th
e
op
en s
ou
rce
com
po
nen
ts in
th
eir
dev
el-
op
men
t st
ack.
Th
e su
rvey
als
o r
evea
led
that
on
ly 5
0 p
erce
nt
of
dev
elo
per
s re
po
rt
that
th
eir
com
pan
y h
as a
n o
pen
so
urc
e
soft
war
e p
oli
cy.
Co
de/
arti
fact
rep
osi
tory
. In
ord
er t
o d
eal
wit
h a
n e
ver
gro
win
g an
d e
ver
mo
re c
om
-
ple
x o
pen
so
urc
e ec
osy
stem
, en
terp
rise
s
are
incr
easi
ngl
y tu
rnin
g to
co
de
rep
osi
to-
ries
an
d c
ach
ed r
epo
sito
ry m
anag
emen
t
syst
ems—
esta
bli
shin
g a
cen
tral
ized
,
secu
re, a
nd
man
aged
co
de
rep
osi
tory
fo
r
the
arti
fact
s re
qu
ired
to
bu
ild
an
d m
ain
-
tain
pro
ject
s.
A c
od
e re
po
sito
ry e
stab
lish
es a
pla
tfo
rm
for
the
sto
rage
, ret
riev
al, a
nd
man
age-
men
t o
f th
e b
inar
y so
ftw
are
arti
fact
s an
d
met
adat
a n
eces
sary
for
a gi
ven
pro
ject
or
app
licati
on
. Th
e in
form
atio
n is
arc
hiv
ed
and
org
aniz
ed in
su
ch a
way
th
at b
uild
too
ls s
uch
as
Mav
en o
r A
nt/
Ivy
can
eff
ec-
tive
ly lo
cate
an
d p
roce
ss t
he
info
rmati
on
.
In t
he
case
of
a ty
pic
al M
aven
rep
osi
-
tory
, th
e b
inar
y ar
tifa
ct is
a JA
R fi
le, b
ut
it
cou
ld ju
st a
s ea
sily
be
a F
lash
lib
rary
or
a R
ub
y li
bra
ry. W
hen
a M
aven
PO
M fi
le
list
s a
pro
ject
dep
end
ency
th
at in
clu
des
a re
po
sito
ry-b
ased
en
try,
it d
ow
nlo
ads
that
en
try’
s P
OM
, an
d t
hen
do
wn
load
s
any
lib
rari
es o
r m
od
ule
s re
qu
ired
by
that
dep
end
ency
. Th
is a
bil
ity
to d
eter
min
e
a p
roje
ct’s
dep
end
enci
es a
nd
tra
nsi
tive
dep
end
enci
es is
mad
e p
oss
ible
by
the
stan
dar
ds
and
str
uct
ure
of
the
rep
osi
tory
.
So
nat
ype/
Cen
tral
rep
osi
tory
. Th
e d
efau
lt
con
figu
rati
on
of M
aven
ret
riev
es s
oft
-
war
e ar
tifa
cts
fro
m t
he
Cen
tral
rep
osi
-
tory
, a p
ub
lic
faci
lity
th
at is
ste
war
ded
by
So
nat
ype.
Cen
tral
rep
ort
edly
rec
eive
s
fou
r b
illi
on
req
ues
ts p
er y
ear,
co
nta
ins
300
,00
0 c
om
po
nen
ts, a
nd
is a
cces
sed
by
60
,00
0 d
evel
op
men
t o
rgan
izati
on
s
wo
rld
wid
e. T
he
aver
age
ente
rpri
se r
epo
rt-
edly
do
wn
load
s m
ore
th
an 1
,00
0 u
niq
ue
com
po
nen
ts fr
om
Cen
tral
eac
h m
on
th.
Rep
osi
tori
es s
uch
as
Cen
tral
an
d t
oo
ls
such
as
Mav
en t
ypic
ally
use
a G
rou
p,
Arti
fact
, Ver
sio
n (
GA
V)
“co
ord
inat
e” s
ys-
tem
as
a m
ean
s o
f st
ori
ng
and
loca
tin
g
a gi
ven
arti
fact
: htt
p:/
/re
po
1.m
aven
.org
/
gro
up
ID/
arti
fact
ID/
vers
ion
/.
Fo
r ex
amp
le, c
om
po
nen
ts p
rod
uce
d b
y
the
Mav
en p
roje
ct a
t th
e A
pac
he
So
ftw
are
Fo
un
dati
on
wo
uld
be
sto
red
/lo
cate
d
un
der
a g
rou
pID
of
org
.ap
ach
e.m
aven
.
An
arti
fact
ID is
th
e id
enti
fier
fo
r a
give
n
com
po
nen
t. T
he
com
bin
atio
n o
f gr
ou
pID
EX
PE
RT
OP
INIO
N
“Usi
ng
Je
nk
ins
is li
ke
hav
ing
an
ext
ra m
emb
er
in y
our
dev
elop
men
t te
am.
It r
elen
tles
sly
bu
ilds
and
test
s yo
ur
soft
war
e, p
reve
nti
ng
mis
take
s
and
fre
ein
g u
p t
ime
so t
hat
you
r te
am c
an
focu
s on
sim
ply
pro
du
cin
g g
reat
sof
twar
e.”
—J
uli
an
o V
ian
a,
Fou
nd
er a
nd
CT
O o
f L
ogic
Sty
le
OR
AC
LE
.CO
M/J
AV
AM
AG
AZ
INE
////
////
////
////
////
////
////
////
////
////
//J
UL
Y/A
UG
US
T 2
012
38
blog
01
02
03
04
05
06
CH
OO
SE
YO
UR
TO
OL
JAVA TECHCOMMUNITY JAVA IN ACTION ABOUT US
and
arti
fact
ID u
niq
uel
y id
enti
fies
a g
iven
pro
ject
, an
d t
he
vers
ion
iden
tifi
er s
pec
i-
fies
th
e ve
rsio
n o
f th
e p
roje
ct, w
hil
e th
e
pac
kagi
ng
iden
tifi
er s
pec
ifies
th
e b
inar
y
soft
war
e fo
rmat
.
On
ce a
n a
rtifa
ct is
ass
ign
ed a
rel
ease
nu
mb
er o
n C
entr
al, t
he
file
co
nte
nts
can
no
t b
e al
tere
d. T
he
Cen
tral
rep
osi
tory
also
co
nta
ins
cryp
togr
aph
ic h
ash
es a
nd
PG
P s
ign
atu
res
that
can
be
use
d t
o v
erif
y
arti
fact
au
then
tici
ty a
nd
inte
grit
y.
Wh
ile
Mav
en c
an b
e co
nfi
gure
d t
o
retr
ieve
so
ftw
are
arti
fact
s d
irec
tly
fro
m
on
e o
f th
e m
any
Cen
tral
mir
ror
site
s
aro
un
d t
he
wo
rld
(o
r an
y ex
tern
al r
epo
si-
tory
), a
n in
crea
sin
gly
po
pu
lar
op
tio
n t
hat
is f
aste
r, m
ore
sec
ure
, an
d m
ore
eas
-
ily
man
aged
is t
o e
mp
loy
a re
po
sito
ry
man
ager
as
a lo
call
y co
ntr
oll
ed p
roxy
to
Cen
tral
an
d o
ther
arti
fact
rep
osi
tori
es
(su
ch a
s th
ose
pro
vid
ed b
y O
racl
e, R
ed
Hat
, an
d C
od
ehau
s).
04
SO
FT
WA
RE
CO
NF
IG M
AN
AG
EM
EN
T
05
RE
PO
SIT
OR
Y M
AN
AG
EM
EN
T
So
ftw
are
con
figu
rati
on
man
agem
ent
(SC
M)
enta
ils
rigo
rou
sly
con
tro
llin
g
and
tra
ckin
g ch
ange
s m
ade
to s
oft
-
war
e, a
nd
incl
ud
es a
su
bfu
ncti
on
alit
y
of
revi
sio
n c
on
tro
l (ve
rsio
n h
and
lin
g).
Dev
elo
pm
ent
too
ls s
uch
as
Hu
dso
n a
nd
Jen
kin
s (e
xplo
red
ear
lier
) o
ffer
su
pp
ort
for
a va
riet
y o
f su
ch S
CM
to
ols
, in
clu
din
g
Cle
arca
se, C
VS
, Git
, an
d S
ub
vers
ion
.
Git
. Git
off
ers
a d
istr
ibu
ted
rev
isio
n c
on
-
tro
l an
d S
CM
sys
tem
, su
itab
le t
o h
and
le
bo
th la
rge
and
sm
all d
evel
op
men
t p
roj-
ects
. Git
Hu
b p
rovi
des
a c
oll
abo
rati
ve,
Web
-bas
ed fa
cili
ty t
o m
anag
e b
oth
pu
bli
c
and
pri
vate
Git
rep
osi
tori
es. W
ritt
en
usi
ng
Ru
by
on
Rai
ls, G
itH
ub
is t
he
mo
st
po
pu
lar
Git
ho
stin
g si
te, p
rovi
din
g so
cial
net
wo
rkin
g fu
ncti
on
alit
y an
d u
sage
dat
a
spec
ifica
lly
dir
ecte
d t
ow
ard
co
llab
ora
tive
dev
elo
pm
ent.
A r
epo
sito
ry m
anag
emen
t sy
stem
off
ers
a lo
call
y ca
ched
pro
xy b
etw
een
dev
elo
p-
men
t te
ams
and
ext
ern
al r
epo
sito
ries
. It
spee
ds
do
wn
load
tim
es, e
nsu
res
man
-
aged
an
d c
on
figu
rab
le a
cces
s to
bo
th
exte
rnal
arti
fact
s an
d in
tern
ally
cre
-
ated
mo
du
les,
an
d p
rovi
des
tag
ged
an
d
sear
chab
le m
etad
ata.
So
nat
ype
Nex
us.
Nex
us
is a
man
aged
,
cen
tral
po
int
of
acce
ss f
or
exte
rnal
rep
os-
ito
ries
, off
erin
g co
nfi
gura
ble
per
mis
sio
ns
and
cu
sto
miz
able
/se
arch
able
use
r-
defi
ned
met
adat
a. F
igu
re 1
dep
icts
ho
w
a re
po
sito
ry m
anag
er fi
ts in
to a
typ
ical
dev
elo
pm
ent
pro
cess
.
Nex
us
pro
vid
es a
cen
tral
ized
po
int
for
man
aged
acc
ess
of
op
en s
ou
rce
soft
war
e
com
po
nen
ts a
nd
th
eir
dep
end
enci
es,
serv
ing
as a
co
nfi
gura
ble
pro
xy b
etw
een
org
aniz
atio
nal
an
d p
ub
lic
rep
osi
tori
es.
Nex
us
off
ers
cach
ed c
om
po
nen
ts f
or
qu
ick
do
wn
load
, en
sure
s th
at a
ll u
sers
acce
ss t
he
sam
e m
od
ule
s, e
nab
les
secu
re
and
co
ntr
oll
able
dep
loym
ent
of
inte
rnal
ly
dev
elo
ped
co
mp
on
ents
, an
d p
rovi
des
con
figu
rab
le, p
artn
er-s
pec
ific
acce
ss.
Mea
nw
hil
e, u
ser-
defi
ned
met
adat
a o
ffer
s
rich
an
d c
ust
om
izab
le s
earc
h c
apab
iliti
es.
JFro
g A
rtifa
cto
ry. W
inn
er o
f th
e 2
011
Du
ke’s
Ch
oic
e A
war
d f
or
Inn
ova
tive
To
ol
for
Dev
elo
per
s, JF
rog
Arti
fact
ory
is a
Java
-
bas
ed b
inar
y fi
le r
epo
sito
ry m
anag
emen
t
too
l, w
ith
a f
ree
op
en s
ou
rce
vers
ion
, a
pai
d P
ro v
ersi
on
, an
d a
so
ftw
are-
as-
a-se
rvic
e (S
aaS
) cl
ou
d-b
ased
ver
sio
n
(Arti
fact
ory
On
lin
e). F
igu
re 2
sh
ow
s h
ow
Arti
fact
ory
act
s as
a p
roxy
bet
wee
n y
ou
r
Mav
en c
lien
t an
d t
he
ou
tsid
e w
orl
d.
JFro
g A
rtifa
cto
ry s
erve
s as
a p
roxy
bet
wee
n b
uil
d t
oo
ls s
uch
as
Mav
en, A
nt,
EX
PE
RT
OP
INIO
N
“Ne
xu
s is
a r
ock-
solid
vau
lt
for
you
r b
inar
ies,
tai
lor-
mad
e fo
r a
Mav
en-b
ased
bu
ild p
roce
ss.”
—J
oh
n F
erg
uso
n S
ma
rt,
CE
O, W
akal
eo C
onsu
ltin
g
“Art
ifa
cto
ry is
a g
reat
choi
ce f
or D
evO
ps.
Its
inte
gra
tion
wit
h J
enki
ns
offer
s fu
ll tr
acea
bili
ty
acro
ss b
uild
s, li
nks
bac
k to
tic
kets
, an
d
allo
ws
com
fort
able
bu
ild p
rom
otio
ns.
Eas
y
con
fig
ura
tion
, op
enn
ess,
an
d e
xten
sib
ility
mak
e J
enki
ns
a ce
ntr
al s
ervi
ce h
ub
an
d a
smar
t b
ackb
one
of y
our
con
tin
uou
s d
eliv
-
ery
and
Dev
Op
s in
fras
tru
ctu
re.”
—M
ich
ae
l Hü
tte
rma
nn
, Jav
a C
ham
pio
n
Fig
ure
1
Nexu
s OS
Cent
ral R
epos
itory
Build
/CI
Syst
ems
Deve
lope
r Tea
ms
OR
AC
LE
.CO
M/J
AV
AM
AG
AZ
INE
////
////
////
////
////
////
////
////
////
////
//J
UL
Y/A
UG
US
T 2
012
39
blog
01
02
03
04
05
06
CH
OO
SE
YO
UR
TO
OL
JAVA TECHCOMMUNITY JAVA IN ACTION ABOUT US
Wh
ile
no
t ex
pli
citl
y d
irec
ted
at
coll
abo
ra-
tive
so
ftw
are
dev
elo
pm
ent/
man
agem
ent,
run
tim
e an
alys
is t
oo
ls o
ffer
an
ess
enti
al
deb
ug
gin
g/tu
nin
g w
ind
ow
into
ap
pli
ca-
tio
ns
du
rin
g ac
tual
exe
cuti
on
an
d a
re,
ther
efo
re, a
n o
ften
-use
d t
oo
l cla
ss in
th
e
dev
elo
pm
ent
life
cycl
e.
Vis
ual
VM
.Vis
ual
VM
pro
vid
es a
n in
tuiti
ve,
grap
hic
al in
terf
ace
that
all
ow
s d
evel
op
ers
to m
on
ito
r an
d t
rou
ble
sho
ot
exec
uti
ng
Java
ap
pli
cati
on
s. W
hil
e V
isu
alV
M it
self
req
uir
es JD
K 6
to
ru
n, i
t ca
n m
on
ito
r an
y
app
lica
tio
n r
un
nin
g at
JDK
1.4
.2 o
r gr
eate
r.
Uti
lizi
ng
such
tec
hn
olo
gies
as
jvm
stat
,
Java
Man
agem
ent
Ext
ensi
on
s (J
MX
), t
he
Ser
vice
abil
ity
Age
nt
(SA
), a
nd
th
e A
ttac
h
AP
I, V
isu
alV
M d
isp
lays
bo
th lo
cal a
nd
rem
ote
ap
pli
cati
on
s, o
ffer
ing
visu
al d
ata
on
CP
U u
sage
, Gar
bag
e C
oll
ecti
on
(G
C)
acti
vity
, hea
p a
nd
per
man
ent
gen
erati
on
mem
ory
, lo
aded
cla
sses
, ru
nn
ing
thre
ads,
and
mo
re. V
isu
alV
M a
lso
all
ow
s fo
r o
fflin
e
anal
ysis
of
core
du
mp
s, a
s w
ell a
s an
aly-
sis
of
take
n t
hre
ad d
um
ps,
hea
p d
um
ps,
and
pro
file
r sn
apsh
ots
. An
d b
ecau
se
Vis
ual
VM
is b
uil
t o
n t
he
Net
Bea
ns
pla
t-
form
, it
is r
ead
ily
exte
nsi
ble
wit
h p
lug-
ins
(ava
ilab
le a
t th
e V
isu
alV
M P
lugi
n C
ente
r).
Fin
ally
, Vis
ual
VM
can
be
inte
grat
ed w
ith
such
ID
Es
as E
clip
se a
nd
Net
Bea
ns.
JReb
el. D
evel
op
ed b
y Je
vgen
i Kab
ano
v
and
To
om
as R
öm
er o
f Z
ero
Turn
aro
un
d,
JReb
el is
a p
lug-
in f
or
the
Java
Vir
tual
Mac
hin
e (J
VM
) th
at e
nab
les
inst
ant
relo
adin
g o
f ch
ange
s m
ade
to a
Java
clas
s fi
le. I
n 2
011
, JR
ebel
wo
n t
he
JAX
Inn
ova
tio
n A
war
d f
or
Mo
st I
nn
ova
tive
Java
Tec
hn
olo
gy. A
t Ja
vaO
ne
20
11, J
Reb
el
was
aw
ard
ed t
he
Du
ke’s
Ch
oic
e A
war
d
for
Inn
ova
tive
Co
mp
iler
fo
r Ja
va C
od
e.
Java
-bas
ed a
nd
usa
ble
on
an
y o
per
at-
ing
syst
em t
hat
su
pp
ort
s Ja
va, J
Reb
el is
IDE
agn
osti
c an
d d
esig
ned
fo
r in
tegr
a-
tio
n w
ith
var
iou
s Ja
va E
E s
tan
dar
ds
and
Java
ap
pli
cati
on
ser
vers
. It
is f
reel
y av
ail-
able
to
op
en s
ou
rce
soft
war
e p
roje
cts
and
dev
elo
per
s u
sin
g S
cala
. It
sup
po
rts
imm
edia
tely
vis
ible
co
de
chan
ges
wit
h-
ou
t re
dep
loyi
ng;
han
dle
s ch
ange
s to
cla
ss
stru
ctu
res,
fra
mew
ork
s, a
nd
Java
EE
; an
d
sup
po
rts
all m
ajo
r Ja
va a
pp
lica
tio
n s
erv-
ers,
ID
Es,
an
d f
ram
ewo
rks.
It
elim
inat
es
mem
ory
leak
s an
d b
uil
d ti
me
du
rin
g
dev
elo
pm
ent
and
su
pp
ort
s A
pac
he
An
t
and
Ap
ach
e M
aven
. </article>
06
RU
NT
IME
AN
ALY
SIS
EX
PE
RT
OP
INIO
N
Ste
ve M
elo
an
is a
for
mer
C/U
NIX
sof
twar
e
dev
elop
er w
ho
has
cov
ered
th
e W
eb a
nd
the
inte
rnet
for
su
ch p
ub
licat
ion
s as
Wir
ed,
Rol
ling
Sto
ne,
Pla
yboy
, SF
Wee
kly,
an
d t
he
Sa
n F
ran
cisc
o E
xam
iner
. He
rece
ntl
y p
ub
lish
ed
a sc
ien
ce-a
dve
ntu
re n
ovel
,Th
e S
hro
ud
, an
d
reg
ula
rly
con
trib
ute
s to
Th
e H
uffi
ng
ton
Pos
t.
Ja
nic
e J
. He
iss
is t
he
Jav
a ac
qu
isit
ion
s ed
itor
at
Ora
cle
and
a t
ech
nol
ogy
edit
or a
t J
ava
Ma
ga
zin
e.
Ivy,
Gra
dle
, an
d s
o o
n—
pro
vid
ing
loca
l,
fast
-acc
ess
cach
ing
of
rem
ote
arti
fact
s,
off
erin
g co
nfi
gura
ble
man
agem
ent
of
rep
osi
tory
acc
ess
per
mis
sio
ns
and
cust
om
izab
le/
sear
chab
le u
ser-
defi
ned
met
adat
a. A
rtifa
cto
ry is
bu
ilt
on
to
p o
f
the
Java
Co
nte
nt
Rep
osi
tory
(JC
R),
pac
k-
aged
as
a st
and
ard
Java
EE
Web
ap
pli
ca-
tio
n, a
nd
dep
loya
ble
into
an
y st
and
ard
Ser
vlet
co
nta
iner
(To
mca
t, W
ebS
ph
ere,
JBo
ss, G
lass
Fis
h, a
nd
so
on
.)
Th
e Je
nki
ns
CI
Arti
fact
ory
On
lin
e
rep
osi
tory
ser
vice
—a
Jen
kin
s/JF
rog
coll
abo
rati
on
off
erin
g a
clo
ud
-bas
ed
Arti
fact
ory
rep
osi
tory
so
luti
on
dev
elo
ped
spec
ifica
lly
for
the
Jen
kin
s co
mm
un
ity—
was
an
no
un
ced
at
the
Ap
ril 2
012
Jen
kin
s
Use
r C
on
fere
nce
in P
aris
, Fra
nce
.
“Vis
ua
lVM
is a
too
l th
at
ever
y J
ava
dev
elop
er
shou
ld b
ecom
e fa
mili
ar
wit
h. I
t co
mes
as
par
t
of e
very
mod
ern
Jav
a S
DK
an
d e
nab
les
dev
elop
ers
to v
isu
aliz
e th
e in
tern
als
of
thei
r ap
plic
atio
ns
as t
hey
ru
n, h
elp
ing
dia
gn
ose
even
th
e m
ost-
diffi
cult
per
-
form
ance
pro
ble
ms.
An
d t
he
inte
gra
tion
wit
h B
Tra
ce m
ean
s th
at y
ou c
an p
erfo
rm
com
ple
x in
spec
tion
s on
ru
nn
ing
pro
du
c-
tion
sys
tem
s, w
ith
out
affec
tin
g e
nd
-use
r
exp
erie
nce
.”
—J
uli
an
o V
ian
a,
Fou
nd
er a
nd
CT
O o
f L
ogic
Sty
le
“I t
hin
k V
isu
alV
M is
un
der
rate
d b
y m
any
Jav
a
dev
elop
ers.
Not
on
ly d
oes
it e
nab
le y
ou t
o m
onit
or
mem
ory
con
sum
pti
on a
nd
th
read
s, it
’s
inva
luab
le w
hen
it c
omes
to
mem
ory
anal
ysis
. Wit
h t
his
too
l, I’v
e ea
sily
fou
nd
the
cau
ses
of a
nu
mb
er o
f m
emor
y le
aks
in c
ust
omer
pro
ject
s.”
—F
ab
rizi
o G
iud
ici,
Sen
ior
Jav
a A
rch
itec
t, T
idal
wav
e
Artif
acto
ry
Mav
en C
lient
s
Rem
ote
Repo
sito
ries
Fig
ure
2
