package pl.lba.flights;

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


class AverageCalculator {

    public double myCalculateAverage(List<Integer> computerScienceGrades) {
        final List<Integer> copy = new ArrayList<>(computerScienceGrades);
        if (copy.size() > 2) {
            copy.remove(Collections.max(copy));
            copy.remove(Collections.min(copy));
        }
        return calculateAvgInternal(copy);
    }

    private double calculateAvgInternal(List<Integer> computerScienceGrades) {
        return computerScienceGrades.stream()
                .mapToInt(a -> a)
                .average()
                .orElse(0);
    }

}

class Book {
    private String title;
    private int yearOfPublication;

    public Book(String title, int yearOfPublication) {
        this.title = title;
        this.yearOfPublication = yearOfPublication;
    }

    public String getTitle() {
        return this.title;
    }

    public int getYearOfPublication() {
        return this.yearOfPublication;
    }
}

class LibraryCatalog {

    private List<Book> library;

    public LibraryCatalog(List<Book> library) {
        this.library = library;
    }

    public void fullCatalog() {
        System.out.println("All books:");
        for (Book book : library) {
            System.out.println("- " + book.getTitle() + " - " + book.getYearOfPublication());
        }
    }

    public void published2000OrLater() {
        System.out.println("Books published in 2000 or later: ");

        for (Book book : library) {
            if (book.getYearOfPublication() >= 2000) {
                System.out.println("- " + book.getTitle() + " - " + book.getYearOfPublication());
            }
        }
    }
}


class Kodilla {
    public static void main(String[] args) throws java.lang.Exception {
        final AverageCalculator averageCalculator = new AverageCalculator();
        final double result = averageCalculator.myCalculateAverage(Arrays.asList());
        System.out.println(result);

    }
}