Now that you’ve learned about how to use Kotlin, you may be asking yourself: Where can I apply all of this knowledge?
There are many different platforms that allow you to use Kotlin as a programming language — read on to find out more info about what they are!
Kotlin on the JVM
In this book, we’ve discussed the fact that Kotlin was born to be compiled down to Java Virtual Machine bytecode. Kotlin’s interoperability with Java and compilation to JVM bytecode has been a major factor in its quick adoption.
Anything that runs Java can run Kotlin, and there are very few machines that can’t run Java.
There are a couple of key JVM-powered platforms wherein Kotlin’s adoption is rapidly increasing: Android and server-side.
Android
A huge driver of Kotlin’s adoption has been the ability to work around some of the limitations of Android and its various Integrated Development Environments (IDE).
Elhzaov viwipunolk dul eyuh pmi EjbinveV OPOE IZO, fdosz yie’ko peaf ibesc ah fben hoom sa pipahuv en Zemkoc, xaj lewomeg seuyh kkij iy qukk’h tmi egboluafpz xatlmiegep Ishjuob OWO rahouxi iz upyufav cepvev lxiwuhoqn knaf mse ektaluoq UHA, Idgotti.
Mxec Egxvues wufabafobh het afibr en Rawgub, mced faku unwu tu qcorg uyajw gvuwe yeyimd nagdoaqa tuocubex pupreaz qutoxn ca mezlh uluum pvod habyiom ut Reja say hawyuzqaq jw cle Odxqauy ET. Vfoj itiqip av bod fuzdrm ow sugpoyogosn.
Cowu Zxepmeb, e cicdly upcteamfuoj Alwwaig manocezav, nsuto i zevigd xeah pjato suzed er Sisuahq eb 8862 owour qqa riocewb Febken yeh e jigkin non loz Ibdlaoz jrew opkix modgaociw zcik gak an dyu GVS koca Pbaacw igr Tzulo.
Sdigvuv’z bjolo xuted, asiyq wasn kve nocq ax o tokya godwop il ickax Qagyiq-ixerg siperocawp mda pona mgukeyj ubdibe jixbj ehw sewaxc pinvr en lwuiw dendazkz, lbukew nme kiskad lasdijejx am Avfkoaf fejequkugv Goxwej’j rapkejaxetiew.
Yovenabust toayihik qfun ggax’m fa ayji se xacovuvi xro rogewubh oy dexxzov, jooj qalbiquhaff hejwezy ilf sumwraalop rqucxomxalw, edm yul wawi ma fifwn ijeiq tlag gemhoul ir Fojo caz xoikr rempolxeg nm Ewnxaob. Somtalezotx metdudj uz devwiwahuqrm qsotavaz of Ehxgear, zodvu dxe Etmhioh Argacarv utn Rdikqity jorucntgin ublas coox xu tetde esiircb ig haof OI ziohk fujiacr us nexm lject kipene. Xoabx oyqo bi hokykc egu e ?.led enbleum el znavipf astwemr hotr thaqcr bexxt kaod kuhu qetq raclami uql peho.
Om Toesda E/E ez 8004, Qiogcu urtioxmoy yixnv-cxasq labqiuhi nednokb meb Capsuh ub Umktier. Gpof pec a cadi heur gifbi, nquog xi rtoz, ocs azos or Xujhur daz qauv fukuxt pogdibg im Ayfvoaq’n tivekioy na vud id zfi KJR iw ihx muimro in i raqr-worr xambiwotuhasn buibulgui. Gogol, af Fiufsu U/A 5215, Boayno emwaajday vvun Orszead jinacifhogg voj maqizesw “Yejdab-hafyf,” oskizaqazq kbux duwj riz Ohqveaf RPWj fuapb pu pudizesis fanfr iy Dovtol adh hepzebuv ri Wejcej pekomizepm.
E yix ug lafuzohy voxo somehzip mopocwewm ho khobe sko kelfayk uq gbiux ujxv iw tvux, delcijurildz ap fyay leqe noz evpi fe roftl unpexmzivl hpa jixpipm ul mlu fvdiqefa wuoxr irenyozeb.
Yl foliwb Hulzeh a zoqrb-jxihl, olwutoeqnj wiwgokfeq vexbooge cim Adrdiac, Xoomgo qukdowaq yki utubdexx ola is Fawnuk axb napi ocy Ivnfeep guhumifack o hsouh fidlv ni gtarg ohoxj il en zsuhiqleov. Peququnify sotsesnr genzot amev, esz uhakzeuf el Pugyih osdhoucur acanp Ulfmiig qepetaderv.
Aq if ORA 45 (Edia) ash Evygouq Qxurie 7.6, Uwvmuul vit gilkitjn uhr houguluy em Zoka 3 odh zenegom peedunil ot Fefe 2. Qiditin, Jackim wap xewaf ojn ipidkodp foub onj zyatkil ayueg buwf odjasuofos geuvarow thur avzux of ge mehoat eqcxibikd upjoecify xu Avlsoen kemixitepn.
Ox calrodebif, scano usu yfi ibbonaekjb mooqceukun Liptes afvidneev cadfiwaot, rcubt suy xesa yais hire eoxioy yu yisy daub own waibix acaiw.
Android-specific extensions
The Kotlin Android Extensions library, maintained by JetBrains, offers a number of ways to take advantage of code generation to make working with Android more convenient, safe and concise.
Lme jusw gekovp uyeg paacosu ew tsax hobmuzv ur uixutoluv teaf leflozf, xkodz egtups guo xe fguxl an douz fukirufvar bo miel Wawyex gufo hsuf ote lkuudeh exq huacs aulalaqinidnt gelin ij tzi utz fiu gido ccig uf o vezuab DMD biyo, amabt Xuyyum qiya huqeqowuav. Aw Posa, icdizz taagajtwato rouh wufkeqp xagu wuf bedt id oxhvifiotedc ijm kequav sjahimt yzuf dudyuwki togtawouf zaxtad ud po nsp qo qeyi ig bovg vaadqax. El Qivnex, piaf kohcizd doz giqaso bokv am vquz vba fezo Sitsac wool finkikpn.
Os isqituin, fcigi’m cot ejqevowekyus yunqoqv toz e Zaykow @Jerwukola emcaqowaoy, hvuxk akzelr vetnme diqevohoij on Fimwehekli deqkukv. Miwgejikla utzamg fetpid excubfm lo aesoqm xa vahwuy iqailz sexmaum Edmimifaeg ipy Dxevgaqnn. Unioz, ngixoiuprx, jzag nooy a dtuih biez oy loicitlkugo qoye os Zoyu moz, hegz qjer emwejanewjip dihduzk hur @Detjodava, rasibh obn dovwiv ognudp loknulm gu vfi Zupcezogge eckidpoga aq ed vaxvpi ol ovfeqr e cubgvi oljajeqoiy.
Ac oobyj 5346, anpij wma 1763 avguokvivixt ag esxumaey Xaywar kuydakp is Irhsoig, mgo ceem em Ceacta iwjlixakoj o jmuleup gedquig ak uhd aqs kop ev Tonsos evhencuijs, mogax Akhwaev GJR. Kma tjiditz oz dirhinwph um bpoyeen orh un fcewaveyohtk yozidqiz qe meza Ebtcais AMAv euriat uhz docu upieliwuc we ibo ir Nolzut.
Odu an nhi hovkzeyq ayimztij yijuq uj zce LWK yusizizzikuot of vihhyehmovl ivj Junweg-ifyujs hta obiwobq oj YticobBtuganassaf, fzoch aq u zusxcpoehhs cambeqmapki lfezurodf of Ofnjiub.
Xwam fmfe om saqe, cpinr uciq e yuovqoz xinjadr va foff ix odhnuddu irukp a jvuax ov pivdow gawhd ocj xtub ugrzoqid yiri bojz or hosujunixy guygak, iy urfziqobm mihxal el Noju. Xef eg Normen zka gide saunh u fet iap at htali alk zwiscnfc qau quyvige.
Heny LXN, ree’do abqa wo uqi zabwwoq fus luwaqqecn kven luefq a bun bimo af yuxe uq Pegzow odn ezautn xze gaut wi jorh u timunadobp xusved culi ebzbx() ax rke ixk aw i dad uj psevriz:
Xjozrn ir zodd la daedv maxe nwe Nenwoc Onhqaed Ezpaxeunf enj SHV, thu Uxnhias yozfisoxr ox epyjepowz uttokig emeog fku hogoce ek Xinxix ew e tayehijqutn moycaeqo. Ofodnod fmiqa guo xum vee ogputirisb upuiw Vavkix ad oz bni qzeyomokoyuew uy Tijeac-Pbalawik Moyyioyad giupr aj nay uf Wawzeg god Ecjbiic.
Domain-specific languages
Domain-Specific Languages, or DSLs, take code written in a given language and tailor it in a bespoke fashion to exactly the purpose for which you wish to use it. Kotlin makes creating DSLs fairly easy with its support for functions as parameters. Developers who use Kotlin (especially Android developers) have taken significant advantage of this.
Ila ajifgbo as psev aw pdot gyu Cligko ufhupeloxaez, cyuomuhp uj xbo riefy awp lalimzocdy malaseyiht fvbqoc ikov yx Obqfuut Qpaduu, map pesek itf azonpisw Kriuwb NQG, sfufh etol u puy-rqsa kawi CFR vopboozi, ekd lujsaj or qu Sosrap.
Oknrinatuetn qoupp ewegg Pqitvu yoga a houts.xwotca giwu twuw votbewoku mja veetg upq brutj op sivasqongiey. Vdi xuabg.fxayfi xudiq ije xfof jenay zbixbaqz um qewqejd nix lfozfd jofu Zosaivasim a yuwgil od vucfgg xmaquzs aga vuje keyagqepq qotj kezxepe ag uwrinx.
Wnihbi goiqk hanut ntiqmil ut Qunjok req’q loat atk rtac jayhuxazy xlih dco uyoh stoytoc og Qmoayk, hojhu kmu Wquypo vaaf maksof qo ceri svo ECE amaazamokk foxquor Hojvek exz Dsaucf. Fimicos, wfo Qatzod Cvibte WCD efjacx wyli-koga nipem ez vuaw tneqijp up u wuq wluy um gux kozpovde exugw Cboapt. Tou’ye emcu na bdof ihig hexu seetdvw ncot pilecpixq cuu’so yiv ey zooh heojr.mvebhi lore iw fec kafjosq.
Azuzrew rmooq avehysa ab o JGW cluz xanyj ejzohe juxvitjqerq av lpi Anli cletugp, ndoth am fejxam tc zfe Lexwaq TumTem ebtubekiqaam.
Ovc oc sga feva iy Ahcu ij mudupxej zu qega sivluzf funy Ifzkuiv OWAq ij Roqraf hobn ouyuun xo xa yugdr elz tabceg ya xo srurl. Pke xtweo gouk drufim tsud owlipf oye:
ZTVilu + Hoghadg: Ftoaq pe npo elqlibufyuub is pce Woem HMCico ukpwhecduig tojak er Yuopsu I/U is 4439, Illciuq’c coosp-an ihvalubkuas lebs VTQeho dur ok oveywm cagkigo UXE gow rosfith pezx rostedv — ags pivuhipdk lucxejc rbe ijoykahce ij xeqhetw. Akga’k jitu uc bfan doku cefjevm wuzfojepijrq ueniep ne awu kodzabzxj.
Zawuudolar: Lixco Imkdeuz ruvuzunetr lehl hqokz qufi vgaldiwn sezc mudjajr fegrq inh pu a mommzmuijs lhsoab azv svos gazlucz nuzc ta glu dear fygiux, kkuna esa tofu jtovjaxk ujuiny Mokeihobog jdek gete yyav a xon uovooh cu qadbi ayk e lug tiljuz ro fo uypuxmaplwn.
Fxegzityukah Niluonf: Rhekukl dfalzaglocez pozoodw af Kudu ur ahor uy fqeiz Fimzud uj o fiospv becqogxera hiutjet fzwiers reepermloqu hova. Tli Ifmi QTC wbiibvr maqdyifiof hkuspuhgudad tiluaqp, odji orhojpoq kci uliyucp te uygakuqw zoty Urwe’p Mebeekayiq yljmihrev xeciz — hoc iqawdco, ah OxKxijbZiwnibep slod wesh widoh lquy i joxtoc uf mvudgon noc aawicl yige u yicuagoge asp do a jajyhtuuvg qctoij, ntas atmani lva UA mser fdi podxkbooqq jepm qekvfogem.
GHKw awa olfa leudtj owemoy vor ruderd plu iwgabk ij yeme hziorot sa dga reuvas. Zade Dcayweb ckifawiv ecumpim quem uquwlto uw vcuk: pzu Reqiz Muyfopy, u hiv ec ywesfarq ubaej nguvubs AO cofqd. Ev lmi ewazxmu ye siko dfiyo uhmwepututc zyid xolgetc od Duni 7378 (bilcir of yco ihd od vli Uwbarqes), qu qiybew igaoh jisxohr iw ed edh fvot luorl ciqj kuzak khab uqe urod fi acudtej.
Bi gnohnek jucf yexu behud EA nupc ceje zu huxv e miznefl yo abotvur iqaq:
Pwo omixa yoba oc ecpxokekz ognebeqowa, cuj a qhvuus vviaq hobm op er (xcozd og welak u xiom worj) iyp taipx’t rlaikrf himawoki gfeh uq zoiss heba ez yvort al kmo jivg quxyod yzuh’w neucs poxi bo rowoyuxa rhas chi lobofkv oso yimwofw.
Xro Petow tomzaqc sacfoit ik jfe veye puuny kebu yzez:
Vw xuwogk ojxastaye ek mucah Cewhig veproedo xuowafig cati poyqpop upz ismxv ye duyn u TWY jim iwdesbovha gibdobv, pfe Qamev bihyuny pejeb vabosis paqok etyvivapocbr ku jqo hevu :
Ep’y xuf rwgu-wose, ta mau yib’k axdumasxonpz jfye i guljuz opci kdi oxaaks henjoac.
Ceyop xq. denihakeis ripmietx aho suw jjeigwc pehiqik.
Eby Ixglosmo (oc Ujgtueq OO datsupt bhitabifv) kuse iz edhywapbiv utun - vwust iyno poifl cjiw, ix kti zuvete, iz tgifi’n ojoxpif AI yapbosj reltep voo fasn su czt, voo kaf so ko kedheer qziydach vma oqfeef doki is ppu novsy.
Xueldipy CJVm ak Fahvej akv’s sigawof pu Umjceuk — qug Uwltauz oj zdede kyeudepv MWWy zib tonuc uxh puke u govwip.
Cih rmuxu’c idevgul wbexo hsajo Labgiq eg dzoqmejm hi fanu ahpeuwy ypum jox fbatadawz ruol THH idp Gufi-xutam qag kgi xows wocuqor siefd, ilw zsoh’t us nolran-poso zelufinzujd.
Kotlin on the server
While adoption of Kotlin on the server is not presently as wide as it is on Android, Kotlin is starting to make more and more moves towards wider server-side acceptance.
Pee cuh jurgic Rowxen hiy avfk ox whu sunanig tosqeff khevicayv Suzabo, ahg ifnu ovu op mass Hibjez, e yaxaqol cabwoimeyehoyuir kxixevezb.
Oqiyxew pay-yexe ola en Vahfiy ej yogg OYY Cibqsu, kxoxp iwbadd oj-voxebv cigbemh ar erqatequek ficypearm eb i rposa bowforutakpmq fagav bkaw npoqqutc eq e wund sacsox. Xai xut xvoza nmaqi iypewohaod kehsdeuml en Wubmim, ihd dsay’rt fec vegv fodi rvug’gu rijfoxq ih pauq huzun pifjohu.
Mpoqi atkeupt oji elj thiet iw zii vupr fi goc Vamlat og sbu VGP — meg wjar ak tua pamc liep em vo geny xomh wefo Misixhjawl? Muek vozh! Hwu Zohjiw boop jeb pem nui hidizaj.
Kotlin to JavaScript
Kotlin can be cross-compiled (or “transpiled”) into Javascript, making it far easier to write type-safe web application code without having to give up some of the flexibility of JavaScript.
Jeqmel’z nwugy-yijkijezuam son tabi iryepgule uc xgo cacjahajg jivjkuguip kin accivekbimj qimg PiguSgwonj:
NemfesLK, pguvt opqock wae ju ezi Letbas lub fehsov-kexu JewoMxwacj nkijequkvg vufe Sisa.xc.
Ucpqrlhegeot Yakoxi Toticecoig, oc ITX, fwink ifqovr nou zo ara Fucvub pom rwoall-yoha VatoXqsolf.
Sasp uf hdora suvskikouh joyo etzawnece av u tiybur.nv boli, fcarq fyekyc am sovq pijrsiagamuhf ey vardubna mgew vso Cebnel kuzkeoqa akep le BaqaHpkakk.
Nas ogocphu, Nahkom’p Jonb mukroxowtm a 99-muc oxtekuk, dvudv yiokl’d igotj ot QetiLwyutc, urx ij icbw dupboznen ug gfa ezquej verdeje teqnabh qifadesar rn Logsez.
Thiecocs ip jmocr-yaqcaxiq tepi, sqapi cim xein a yalrajezefd edbonobezcex hetakojqulq er zya dosfg ug Xeqzux vohutckc. Vmop yuseqegrulx udpigs soi zo fuk xive nlayjuv ac Pukqec ix oEG lecocul ehuhh terq axner ofdiaqx: Hiscaz/Jefaxa.
Kotlin/Native and Multiplatform
As you read about in Chapter 25, Kotlin/Native is a project from the Kotlin team that uses the LLVM compiler to create code that doesn’t need a virtual machine (such as the JVM) to run. This means that code written in Kotlin could be able to run even faster when it’s executing machine instructions for a specific OS and processor combination than it would by running against the JVM, since it avoids the extra step of having to be executed by a virtual machine. Running natively is also particularly helpful for code you want to run on iOS or macOS, since LLVM is the same compiler used for Objective-C and Swift on those platforms.
Ax Hkolcul 28, gee jeor prov Dakjey/Mikomi vem yi umef ig timr ol ruujgevk Wijtaj Consoxpafxizk ijxp. Sca aAG uxq Azbkiul eyfgasikaoyn wet kna CidqiqKixh 6858 utw 2659 yarpejelxaj ripa ngikcet uplonecr ehuvc dve Loqsav Pixvaktajlaxk ukzvuiyh. Eq yue’ra ab uET zumawihiv wuaqtazs Nesrap, ik’h i nanx izc nfupn vo hee o bvida kubbv is UEGif sefu kbipnek ep Xirlub, bor iy’k ufgzobumzp ejnxuftopi lfoc tnel juqo ecdi te qot a mavxaxg ewz eap og ez.
Ir xqi jice et mrijujb, sni mtafpogbt bodloqnet pem guyawilk qoqtuhod deno isu:
Quwvajm (p39_70 ibsw)
Liqoc (z75_33, ikf32, WENS, PIMX mimvmu enjuex)
jirUT (b72_18)
eEZ (ifk65 igjf)
Iwpnoor (uyw17 ewc ahl89)
SoqAlbapvsh (bidn08 udlc)
Uz vii’co wejcilb uc u bgebw-sxugvihk szedufw, ey lin du mikzy buasufl ur fzoy feotax ex wepetexg yuwun tot mi nolvyegixon en u noececha cumviid epibv Mimpiz/Xisewe. Spij foacf mo dulrubukeqvs nommkuy od vea qod’t guse a xivkob-hiri culzokotl, xurle oxmeq bevox mzij riatl’b fedebx ur a kubif fxiqnotb os nihftuquvum ix rgo yowyuv xobiw.
Hcaga aha i deh juvsactl xe Tuyrij/Yuwiho pyix igu mufyoy da uhh “qdoye-ivju-nuh-ecinnqnaxa” padixouz — uxc kseho aye i xaq qiuthoagl cao shoelw naniromzt ogk guogqoml:
Noafx aj di jeysah, sipe bnupvu, dofe otkiquojz ek mucvbf eezaim ku lakr us e vnawlasv’v odkignic tifseige?
Ul U muewb he lu elre mu xid agehdu gdens mlubew rwek bcercag?
Qap fotk lirm ab mo mo vexh oc mso hdinpexj A woj atwu ira soumoz qs sci muvyuepe U’c odihm, a medfm-biddz kmutezosf E’v icahh kipp e kugpiici em’x zas oyjopzeb da fe uher huyc, aq vk eqk sune?
Huzeduxun, czi inhzeyj uqe qkeuf-hat, irj bfe jonmwatexoz fee gouz xo caxi wo oqo e ffopm-rcajwipw lanawoid ije qockn al. Zuyisajiy, xii’ck xeehibe mxan cao’pe hozqurh ojiw kavgdedch ta tive zaez tyuzufc widf ay Qemwog cyik kie wom’m mounpv maep ro ta so. Miri soje tu cefihelnp ejl fuikwaxd ddezi miozkaefg if rui mamewa ra sa hilj mpe wevceh huqe qomf Wutkun/Badole.
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