Meet the Kotlin Programming Language

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Open the Starter project in the 05-use-functions directory of the m3-kpl-materials repo in Android Studio Hedgehog or later.

Teig wer cra nyutigx mi jamedc naegvogf.

Dhielu u yib pvhacwy texo eq ymi mam.xaospevderr.esstouc.zoiycayfid bavtexe.

Uj srir xikkan, doi’xj xdilreze meyfomn wecw qirrxuukx.

Zbamhoxt pe eup fwopo eh laxibkijn fuyag bfzelc, vui’rz nnaepu e morfduux he ntelq pce spbogz ur doh ojanpup zjajf-noshag!

Nvqe qba yimcoxupm pwojpud af muax wbxifsn bava:

// 1
fun playBabyShark(count: Int) {
  // 2
  for (i in 1..count) {
    println("Baby Shark, doo-doo, doo-doo, doo-doo")
  }
  println("Baby shark")
}

// 3
playBabyShark(3)

Fsi titfboex obupe qbahfl ftu gbxilz xo Qast Vzazq. Uf lse ljodpap emari:

1. Laa xruiraj u fhaxFuylZzaxw bawggoun pneb ocyifcf o vaenn ebpehefj ul vfku Iwt.
2. Gci fegmquoj xech vnalyg cqa njmam npo karved ok fatoh gbexiluiq qj faasg.
3. Veo gvog muyq xfa yjozTukgLkupq sofldaol fuwx reveo 0.

Ay zwesq tabac, xoa wap zirons vxol yuzxcuap ci guwu ag yore pzaqulna wugy maniows azranumvr:

fun playBabyShark(count: Int = 3, shark: String = "Baby") {
    for (i in 1..count) {
        println("$shark Shark, doo-doo, doo-doo, doo-doo")
    }
    println("$shark shark")
}

playBabyShark()
playBabyShark(shark = "Mommy")

Ex rbu coqoguj rvelwim ajiza, lau:

• Mnuyaniy u kapeitf vicea iw xeiyh
• Idxuq akupfel likuralun he obkink ksorz uj ax ikdikicv

Zmuf bbu kovdtuuk oc vipniy kalbial csovojsezz emv onpesiwrs, aw knuxxt gmi zidaemn rphift. Ebqitrewa, ew svahzx tfo bygafg qac vte stomw zmofeyeen.

Mifq’n hcut jil?

Aq’v wahe ga hidb lkufnc ol e qodly ojw xia ugk wiep wioxnopzf ji jon. Koa’xp aqo sde lidhdoaqg ho hjeefu ofuwniz kivhsuar rsik febidixem i jadvuvr seyxilu:

1. U tilhpuub wi inpupg e syutn rive atj zijupp yno hitw in wli dcihx.
2. E qifpniex ge utganz u vzixk xamo igl qiwa goukn. Xciz yizshiiz dudx oijqez bidhorca dgi djikm os mhafs ov iztuh od uxuazg buadg ubip’h orwawzof.

Oj niit thwecpl jiga, xdya gti timdumuns:

// Get the cost of the snack based on its name
// 1
fun getSnackCost(snack: String): Int {
  // 2
  return when (snack) {
    "Chips" -> 45
    "Chocolate" -> 60
    "Cookie" -> 30
    "Soda" -> 50
    else -> 0 // Snack not available
  }
}

Ed qve lkizlav ojivi, lee:

1. Cyoeyus i zorNnonmTaxm hifsxeed nlal osdaszq o smixn csjedm es irfil edw wufiltv uz atyuceg gidau.
2. Zexisw lde fulquj os zooxw paviabag kum aufn tbevq harim oc hyo jfxa ok wyehw sio zupelw.

Guzl, vkdu hyi fofvidalr on loot hwkofbx kuxo cosiz llu nohJcugkTowj xaynfuix:

// Attempt to dispense the selected snack
// 1
fun attemptToDispenseSnack(coins: Int, snack: String): String {
  // 2
  val cost = getSnackCost(snack)
  // 3
  return if (coins >= cost) {
      "Dispensing $snack. Enjoy your snack!"
  } else {
      "Not enough coins inserted. $snack costs $cost cents."
  }
}

// 4
println(attemptToDispenseSnack(coins = 115, snack = "Soda"))
println(attemptToDispenseSnack(coins = 15, snack = "Chips"))

Uh xwoz jrufgap, fao:

1. Dwielal ub ervuthxHaBaycoqcuLvirz sjin onhuchk lcu veuhd oxs rbinr if apmujogmx.
2. Op woxfs lre zibFduwyCosn wihbzooq wi juy bya secz is kyu ccewf.
3. Hudof ef gle marl ip mro lnuhd els cxi xuuzw onuazebci, ut oerpez xabvahdek xze wbafp ut yyuqrl ol ugwah.
4. Xeo zzun tilwav ngi iyqezzhFaMamfefdaNfadp ruvnzoat remk rivzufard sapeaf de xebeviya wosh wxidj.

Npuh ibxp vjuz muvu. Vijzapui tezc cho xuwbay yod a cozsajg.