IntermediateAdvanced

lazy Delegate

Initialize a property only when first accessed.

kotlin
fun main() {
    val message: String by lazy {
        "Loaded only when used"
    }
    println("Before using message")
    println(message)
}

Output

Before using message Loaded only when used

Explanation

by lazy defers the computation until the property is first accessed. The lambda runs once and the result is cached.

lazy Delegate

Explanation

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