Java Collections - Comparator.thenComparingInt() Examples

package com.logicbig.example.comparator;

import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class ThenComparingIntExample {

    public static void main(String... args) {
        List<Item> list = createExampleItems();
        System.out.printf("before sort: %s%n", list);
        Collections.sort(list, Comparator.comparing(Item::getName)
                                         .thenComparingInt(Item::getPrice));
        System.out.printf("after sort: %s%n", list);
    }

    private static List<Item> createExampleItems() {
        return Arrays.asList(
                new Item("Laptop", 1000),
                new Item("Desktop", 900),
                new Item("Laptop", 1200),
                new Item("Monitor", 400),
                new Item("Desktop", 1100)
        );
    }

    private static class Item {
        private String name;
        private int price;

        public Item(String name, int price) {
            this.name = name;
            this.price = price;
        }

        public String getName() {
            return name;
        }

        public int getPrice() {
            return price;
        }

        @Override
        public String toString() {
            return name + "-" + price;
        }
    }
}