Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.ArrayList;
import java.util.List;
import java.util.Comparator;

public class Main {

    public static void main(String[] args) {
        // setup
        List<Integer> list = new ArrayList<Integer>();
        list.add(4);
        list.add(3);

        // classic way
        list.sort(new Comparator<Integer>() {

            @Override
            public int compare(Integer a, Integer b) {
                return a - b;
            }
        });
        System.out.println(list);

        // lambda way
        Comparator<Integer> lambdaComparator = (Integer a, Integer b) -> b - a;
        list.sort(lambdaComparator);
        System.out.println(list);

    }
}