Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.function.Function;

public class Main {
    public static void main(String[] args) {
        List<Integer> numbers = Arrays.asList(1, 2, 3);

        // accepting integer, returning double
        System.out.println(mapIt(numbers, x -> Math.pow(10, x)));
    }

    public static <T, R> List<R> mapIt(List<T> candidates, Function<T, R> mapper) {
        List<R> mappedList = new ArrayList<>();

        for (T candidate : candidates) {
            mappedList.add(mapper.apply(candidate));
        }

        return mappedList;
    }
}