PatterStrategy

data class Student(
    val name : String,
    val email : String,
    val age : Int
)

interface StrategyCustom {
    abstract fun doAlgorithm(data: MutableList<Student>) : MutableList<Student>
}

class Context(private var strategy: StrategyCustom) {

    fun setStrategyCustom(newStrategy: StrategyCustom){
        this.strategy = newStrategy
    }

    fun doSomeBusinessLogic(data: MutableList<Student>) {
        println("Sorting elements with strategy: ${strategy.javaClass.name}")
        val result = this.strategy.doAlgorithm(data = data)
        println("Result $result")
    }


}

class StrategyName : StrategyCustom {

    override fun doAlgorithm(data: MutableList<Student>): MutableList<Student> {
        data.sortBy { student ->
            student.name
        }
        return data
    }
}

class StrategyAge : StrategyCustom {

    override fun doAlgorithm(data: MutableList<Student>): MutableList<Student> {
        data.sortBy { student ->
            student.age
        }
        return data
    }
}

fun main() {

    val exampleList = mutableListOf<Student>(
        Student(
            name = "Ximena Puchaicela",
            email = "ff.edu.ec",
            age = 20
        ),
        Student(
            name = "Maria Fernanda Ordoñez",
            email = "[email protected]",
            age = 24
        ),
        Student(
            name = "Juan José Yanangomez",
            email = "[email protected]",
            age = 25
        ),
        Student(
            name = "EE",
            email = "e.edu.ec",
            age = 27
        )
    )

    // Create context object with strategy A
    val context = Context(strategy = StrategyName())

    // Sort objects with A strategy
    context.doSomeBusinessLogic(exampleList)

    // Change strategy to B
    context.setStrategyCustom(newStrategy = StrategyAge())

    // Sort again object with B strategy
    context.doSomeBusinessLogic(exampleList)

}

What Language? @renatojobal

@MrVanQish kotlin

Ty