Computer scienceProgramming languagesKotlinObject-oriented programmingObject-oriented programming features

Standard delegates

Theory

Only once

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In the provided code below, modify the declaration of the property area so it should only be calculated when it is first accessed.

Sample Input 1: 

5

Sample Output 1: 

First time: 25.0
25.0
Write a program in Kotlin
class Square(val x: Double) {
val area: Double
get() {
print("First time: ")
return x * x
}
}
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