Kotlin is like java

val label = "The width is "
val width = 94
val widthLabel = label + width
// The width is 94

Source: ttu.github.io

Kotlin is like java

// if is an expression, so ternary operation not needed
val loaded = true
val status = if (loaded) "Ready" else "Loading..."
// "Ready

Source: ttu.github.io

Kotlin is like java

val age = 42

if (age < 10) {
    println("You're too young to watch this movie")
} else if (age < 13) {
    println("You can watch this movie with a parent")
} else {
    println("You can watch this movie")
}

Source: ttu.github.io

Kotlin is like java

var myVariable = 42
myVariable = 50

val myConstant = 42

Source: ttu.github.io

Kotlin is like java

val explicitDouble: Double = 70.0

Source: ttu.github.io

Kotlin is like java

val apples = 3
val oranges = 5
val fruitSummary = "I have ${apples + oranges} " +
                   "pieces of fruit."

Source: ttu.github.io

Kotlin is like java

println("Hello, world!")

Source: ttu.github.io

Kotlin is like java

const val SYSTEM_DEPRECATED: String = "System is deprecated"

-1

Source: ttu.github.io

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