package com.zetcode;

import java.util.Arrays;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;

public class GenericArray2ListEx {

    public static void main(String[] args) {

        Integer[] vals = {2, 4, 6, 8, 10, 12};
        Float[] vals2 = {2.4f, 4.2f, 6.1f, 8.4f, 10.2f, 12.1f};

        var myList = mapArrayToList(vals, e -> e * e);
        System.out.println(myList);

        var myList2 = mapArrayToList(vals2, e -> e * e);
        System.out.println(myList2);
    }

    private static <T, R> List<R> mapArrayToList(T[] a, Function<T, R> mapFun) {

        return Arrays.stream(a)
                .map(mapFun)
                .collect(Collectors.toList());
    }

}