Kotlin Multiplatform परिचय

fun calculateTotal(prices: List<Double>): Double = prices.sum()

fun main() {
    // This same function could be shared across Android, iOS, and web targets
    println("Total: ${calculateTotal(listOf(9.99, 19.99, 4.99))}")
}

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fun platformName(): String = "JVM"

fun greetPlatform(): String = "Running on ${platformName()}"

fun main() {
    // In a real KMP project, platformName() would be declared
    // `expect fun platformName(): String` in commonMain, with each
    // target (jvm, iosArm64, js) providing its own `actual` version.
    println(greetPlatform())
}

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// Define a data class `Product`
data class Product(val name: String, val price: Double)

// Define the function `applyDiscount` taking `product`, `percent` and returning a `Product`
fun applyDiscount(product: Product, percent: Int): Product =
    product.copy(price = product.price * (100 - percent) / 100)

// Entry point: execution of the program starts here
fun main() {
    // Declare a read-only variable `product`, set to `Product("Headphones", 100.0)`
    val product = Product("Headphones", 100.0)
    // Print `applyDiscount(product, 20)` to the console, with a trailing newline
    println(applyDiscount(product, 20))
}

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kotlin {
    jvm()
    iosArm64()
    sourceSets {
        val commonMain by getting {
            dependencies {
                implementation(kotlin("stdlib-common"))
            }
        }
    }
}

⚠️ Run this in your own terminal or Node.js environment.