Computer scienceProgramming languagesKotlinObject-oriented programmingClass hierarchy

Inheritance and constructors

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A class named Base is defined as follows:

open class Base(val date: Date, val weather: String) {
    constructor(_date: Date) : this(_date, "Sunny")
}

Which are the correct lines to define a class Derived?

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class Derived(val rain: Int, date: Date) : Base

class Derived(val rain: Int, date: Date, weather: String) : Base(date, weather)

class Derived(val rain: Int, date: Date) : Base()

class Derived(val rain: Int, date: Date) : Base(date, rain)

class Derived(val rain: Int, date: Date) : Base(date)

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