1218Kotlin01

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//Kotlin is a programming language for Android development. fun main(args : Array<String>){ //functia main println("Hello World from Kotlin!") //Data types val int: Int = 1001 //Definirea unei valori de tip int val doi: Double = 100.30 val urm: Float = 190.34f println("Valoarea lui int este: " + int) println("Valoarea lui doi este: " + doi) println("Valoarea lui urm este: " + urm) val int2 = 409 println("Valoarea adunarii este: " + adunare(int, int2)) val armstrongNr = 400 armstrong(armstrongNr) val armstrongNr1 = 153 armstrong(armstrongNr1) val numArr = doubleArrayOf(45.9, 67.8, 44.5 ) //averageArray(numArr) var pers = Persoana() pers.printMe () var inter = Exterioara.Interioara () inter.printMe () } //Functia aduna doua numere si returneaza rezultatul fun adunare (nr1: Int, nr2: Int): Int { val sum = nr1 + nr2 return sum } //Functia Armstrong pentru un numar cu 3 digiti 153=1*1*1+5*5*5+3*3*3 fun armstrong (nr: Int){ var originalNumber: Int var remainder: Int var result = 0 originalNumber = nr while(originalNumber != 0){ remainder = originalNumber % 10 result += Math.pow (remainder.toDouble (), 3.0 ).toInt() originalNumber /= 10 } if(result == nr ){ println("$nr este un numar Armstrong.") } else { println("$nr nu este un numar Armstrong.") } } fun averageArray (ar: Array<Double>): Double { var sum = 0.0 for (num in ar){ sum += num } val average = sum / ar.size return average } //Clase in Kotlin class Persoana { //Variabilele clasei proprietate si membrumember deDr date private var nume: String = "Mihai " val prenume = "Cornel" val email = "mhcmhcrnl@gmail.com" //Functia clasei fun printMe (){ println("Dezvoltator $nume $prenume si email $email.") } } /*Nested class*/ class Exterioara { class Interioara { fun printMe (){ println ("Salut din clasa Interioara. ") } } }
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