birthdayapp.java - master - sobaka1/solarlab_test

birthdayapp.java
92 строки3 KB
sobaka1
initial project file
05 фев 2026, 20:22
05 фев 2026, 20:22c51309e
import java.io.*;
import java.util.*;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;

class Birthday implements Serializable {
    public String name;
    public LocalDate date;

    public Birthday(String name, LocalDate date) {
        this.name = name;
        this.date = date;
    }

    @Override
    public String toString() {
        return name + " (" + date.getDayOfMonth() + "." + date.getMonthValue() + "." + date.getYear() + ")";
    }
}

public class BirthdayApp {
    public static void main(String[] args) throws Exception {
        ArrayList<Birthday> list = new ArrayList<>();
        File file = new File("data.bin");
        DateTimeFormatter fmt = DateTimeFormatter.ofPattern("dd.MM.yyyy");

        if (file.exists()) {
            ObjectInputStream ois = new ObjectInputStream(new FileInputStream(file));
            list = (ArrayList<Birthday>) ois.readObject();
            ois.close();
        }

        LocalDate today = LocalDate.now();
        System.out.println("=== STATUS ===");
        for (Birthday b : list) {
            LocalDate next = b.date.withYear(today.getYear());
            if (next.isBefore(today)) {
                next = next.plusYears(1);
            }

            if (next.equals(today)) {
                System.out.println("TODAY: " + b.name);
            } else if (next.isBefore(today.plusDays(7))) {
                System.out.println("SOON: " + b.name + " (" + b.date.getDayOfMonth() + "." + b.date.getMonthValue() + ")");
            }
        }
        System.out.println("==============");

        Scanner sc = new Scanner(System.in);
        while (true) {
            System.out.println("\n1. Show All");
            System.out.println("2. Add");
            System.out.println("3. Delete");
            System.out.println("4. Exit");
            System.out.print("Choice: ");
            
            String cmd = sc.nextLine();

            if (cmd.equals("1")) {
                for (int i = 0; i < list.size(); i++) {
                    System.out.println(i + ". " + list.get(i));
                }
            } 
            else if (cmd.equals("2")) {
                try {
                    System.out.print("Name: ");
                    String n = sc.nextLine();
                    System.out.print("Date (dd.mm.yyyy): ");
                    String d = sc.nextLine();
                    list.add(new Birthday(n, LocalDate.parse(d, fmt)));
                } catch (Exception e) {
                    System.out.println("Error!");
                }
            } 
            else if (cmd.equals("3")) {
                try {
                    System.out.print("Index: ");
                    int idx = Integer.parseInt(sc.nextLine());
                    list.remove(idx);
                } catch (Exception e) {
                    System.out.println("Error!");
                }
            } 
            else if (cmd.equals("4")) {
                ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(file));
                oos.writeObject(list);
                oos.close();
                break;
            }
        }
    }
}