vodamiro

data class User(val name)

interface UserDataSource {
    fun getAllUsers(
            onSuccess: (users: List<User>) -> Unit,
            onError: (err: Throwable) -> Unit
    )
}

// class UpdateDataSourceImpl: UserDataSource { .... }

vodamiro

class InitOrderDemo(name: String) {
    val firstProperty = "First property: $name".also(::println)

    init {
        println("First initializer block that prints ${name}")
    }

    val secondProperty = "Second property: ${name.length}".also(::println)

    init {

vodamiro

val sum = a ?: (0 + b)

vodamiro

val a: Int? = 10
val b: Int = 10
val sum = a ?: 0 + b

vodamiro

var max = 10
val range = IntRange(1, max)
for (i in range) {
  // ...
}

vodamiro

var max = 10;
for (int i = 1 ; i <= max ; i++) {
  // ...
}

vodamiro

var max = 10
for (i in 1..max) {
  // ...
}

vodamiro

data class User(val name)

interface UserDataSource {
    fun getAllUsers(
            onSuccess: (users: List<User>) -> Unit,
            onError: (err: Throwable) -> Unit
    )
}

// class UpdateDataSourceImpl: UserDataSource { .... }

vodamiro

val answer: Int by lazy {
    computeAnswer()
}

fun computeAnswer() = 42

vodamiro

private const val DURATION_IN_MS = 3000L

val fadeInAnimation = AlphaAnimation(0f, 1f).apply {
    duration = DURATION_IN_MS
    interpolator = AccelerateDecelerateInterpolator()
    fillAfter = true
}