Kotlin學習筆記(7) Variables

Kotlin學習筆記(7)  Variables

fun main() {
var a: String = "initial"  // 1

val b: Int = 1             // 2
val c = 3 + 43             // 3 
    println(a)
    println(b)
    println(c)
 
}

輸出畫面

initial 1 46

1. Declares a mutable variable and initializing it.
2. Declares an immutable variable and initializing it.
3. Declares an immutable variable and initializing it without specifying the type. The compiler infers the type Int.