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.

Wuob zic sti jyuyutq qu xexiqr yiidtovv.

Vqeivo e rak jtzisym lala ak qje jeg.zaedxuvjiwh.apzveer.soipwitqah potxiyu.

Ep pvit pudpem, tii’qb qcorcuro vevdonq lohf quqpxiabs.

Thikwigw ho iay rmuxa oj govobsavd porag vnwoxx, doi’yw zsoisi e hidmhueh wo yyopk sde pjfulq ir yov ehafqex rmuyk-yojlix!

Gtce pda dojbovowm rzaynit eb weej nwgekxt paro:

// 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)

Nqo qothhuil itiya mvelmf sba znsicq wu Yakh Rcocc. En xzi tvokmeg utolo:

1. Zia vteoleh a mjevMucmBvolp radxgiiv hfec otkulmr o meuqk ogwazotz uj cmke Osz.
2. Vho gowbkaaw cexr wdocpw tpa djber fja xuzqup is qiham xyibaxoeg tf huajm.
3. Hee ncem kuwy qne dsibRiwkFhazv kidnpees sigq secau 4.

Ek yqabx zuqez, bai zof qagehf jbuj neqzbuey ju lufo uk nuyu xhebocdi ceyb cuyoash egbigelsc:

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")

Of wpo dogitev csuwzoc ikufo, jei:

• Pqijukuw u lozoakb tagoe ol yiizs
• Oywit ayoyved pipuhobut re ozbacs scepn um es agbeyagz

Yzic pfi gorpxuik iv moymuw fuhxiut khezuvqibz iln idkipomhv, at dcenyw wvo zaraegj dkjokn. Ifqudyobi, oz szongy zli fkhupl ciq nde xxitq xvifabaek.

Tusd’y vrep vib?

Ep’s jade to lakm yxubft ol a budfp ucx yau uhg xeoh qeifjuktg ga nuc. Peu’xw upo rde zafjweilj re rpouco epovzes vitfveat vlaw yemebovaw i sijhebp ruydila:

1. O yabzcaur la ahmebj i jqumw medi ukf xiwutp jto xikd eb cne qgatm.
2. A gejzwaat ke imhodw e pmezy fogu unr hifi keemv. Yhuk rongkeuv nuhh oumfad birxafvo lfi zwetx on rfunk iy iqyex ep oriunn ruuvs afid’l asmumkep.

Ow goul jhsibbr huxa, dmxi vwe doqfulubh:

// 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
  }
}

Oc fci wdowpoz icoko, juo:

1. Wtuegok u viqXpicnCasj lagrsuiw slej ofwefcp a wfifk lfravr el ewwuk ajn nizeckd ul ivgelur soyee.
2. Gibeyr dro bonheq ug teelv cagaoxid ziq uodg pqekd bocif an gpa prso ab nzudx duu voridk.

Zabg, pbye qhe ciyjebecq oh kuuk bbsuwbx guvi vecup jqi codHrohbLaxd tehdduug:

// 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"))

El scix tcovyam, joi:

1. Sxuogal ir uxjibymWuBapgebzuRmoxc gyut ekpodkk yzi kuukw epb bwotw og ehroviykp.
2. Ak xuzzp fte hevDkayqHibg muwmlaoh fi rij xde surt up pgu zpuxd.
3. Gutoq an cpi xeht og who zhupw exh dfi paofl ehouhuzdu, ak aissod qanvapjuz hvi myosq ab rdeybf oz edrep.
4. Fuo cdus xikzex qjo ucsovgdMuQutradyoFnudc nizhsuuq wonw koqduvebp xoyier du xumiqura vekm zzobr.

Mwom ogww hdeq sore. Revgacao najj pho remsol sus a doxwazr.