.gitignore

@@ -1,3 +1,2 @@
 build/
 *class
-.vscode

Main.java

@@ -1,29 +1,5 @@
-import src.Person;
-import src.Country;
 public class Main {
     public static void main(String[] args) {
-        Person p = new Person();
+        System.out.println("Hello, World!");
-
-        p.setFirstName("John");
-        p.setLastName("Doe");
-        System.out.println("Full Name: " + p.getFullName());
-
-        p.updateBirthday("15.04.2000");
-        System.out.println("Birthday: " + p.getBirthdayString());
-        System.out.println("Age: " + p.getAge());
-        System.out.println("Is Adult (USA): " + p.isAdult(Country.US));
-        System.out.println("Is Minor (USA): " + p.isMinor(Country.US));
-
-        p.setEmail("john.doe@example.com");
-        p.setPhoneNumber("+1234567890");
-        System.out.println("Email: " + p.getEmail());
-        System.out.println("Phone Number: " + p.getPhoneNumber());
-
-        System.out.println("\nPerson Details:\n" + p);
-
-        String state = "survive";
-        while (state == "survive") {
-            state = p.playGame();
-        }
     }
 }

src/Country.java

@@ -1,30 +0,0 @@
-package src;
-
-public enum Country {
-    JP(20),
-    KR(19),
-    DE(18),
-    IN(18),
-    UK(18),
-    US(18);
-
-    private final int legalAge;
-
-    Country(int legalAge) {
-        this.legalAge = legalAge;
-    }
-
-    public int getLegalAge() {
-        return legalAge;
-    }
-
-    public static int getLegalAgeByCode(String code) {
-        for (Country country : Country.values()) {
-            if (country.name().equalsIgnoreCase(code)) {
-                return country.getLegalAge();
-            }
-        }
-        
-        return 18;
-    }
-}

src/DateUtil.java

@@ -1,39 +0,0 @@
-package src;
-
-import java.time.LocalDate;
-import java.time.format.DateTimeFormatter;
-import java.time.temporal.ChronoUnit;
-
-public class DateUtil {
-    private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("dd.MM.yyyy");
-
-    public static LocalDate parse(String input) {
-        return LocalDate.parse(input, FORMATTER);
-    }
-
-    public static long yearsSince(String start) {
-        LocalDate d1 = parse(start);
-        return ChronoUnit.YEARS.between(d1, LocalDate.now());
-    }
-
-    public static long yearsSince(LocalDate start) {
-        return ChronoUnit.YEARS.between(start, LocalDate.now());
-    }
-
-    public static LocalDate today() {
-        return LocalDate.now();
-    }
-
-    public static String format(LocalDate date) {
-        return date.format(FORMATTER);
-    }
-
-    public static boolean isValidDate(String input) {
-        try {
-            LocalDate.parse(input, FORMATTER);
-            return true;
-        } catch (Exception e) {
-            return false;
-        }
-    }
-}

src/EmailValidator.java

@@ -1,14 +0,0 @@
-package src;
-
-import java.util.regex.Pattern;
-
-public class EmailValidator {
-    private static final Pattern EMAIL_PATTERN = Pattern.compile(
-        "^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,}$",
-        Pattern.CASE_INSENSITIVE
-    );
-
-    public static boolean isValid(String email) {
-        return email != null && EMAIL_PATTERN.matcher(email).matches();
-    }
-}

src/Person.java

@@ -1,173 +0,0 @@
-package src;
-
-import java.time.LocalDate;
-import java.io.IOException;
-
-public class Person {
-    private String firstName;
-    private String lastName;
-    private LocalDate birthday;
-    private String email;
-    private String phoneNumber;
-    private final boolean[] bullets;
-    private int revolverIndex = 0;
-
-    public Person() {
-        this.bullets = genBullets();
-    }
-
-    public Person(String firstName, String lastName) {
-        this.firstName = firstName;
-        this.lastName = lastName;
-        this.bullets = genBullets();
-    }
-
-    public Person(String firstName, String lastName, String birthday, String email, String phoneNumber) {
-        this.firstName = firstName;
-        this.lastName = lastName;
-        this.updateBirthday(birthday);
-        this.setEmail(email);
-        this.setPhoneNumber(phoneNumber);
-        this.bullets = genBullets();
-    }
-    private boolean[] genBullets() {
-        boolean[] chamber = {false, false, false, false, false, true};
-
-        for (int i = chamber.length - 1; i > 0; i--) {
-            int j = (int) (Math.random() * (i + 1));
-            boolean temp = chamber[i];
-            chamber[i] = chamber[j];
-            chamber[j] = temp;
-        }
-        return chamber;
-    }
-
-    public String getFirstName() {
-        return firstName;
-    }
-
-    public String getLastName() {
-        return lastName;
-    }
-
-    public String getFullName() {
-        return firstName + " " + lastName;
-    }
-
-    public LocalDate getBirthday() {
-        return birthday;
-    }
-
-    public String getEmail() {
-        return email;
-    }
-
-    public String getPhoneNumber() {
-        return phoneNumber;
-    }
-
-    public int getAge() {
-        if (birthday == null) {
-            return -1;
-        }
-        return (int) DateUtil.yearsSince(birthday);
-    }
-
-    public boolean isAdult(Country country) {
-        int age = getAge();
-        int legalAge = country.getLegalAge();
-        if (age == -1) {
-            return false;
-        }
-        return age >= legalAge;
-    }
-
-    public boolean isMinor(Country country) {
-        return !isAdult(country);
-    }
-
-    public String getBirthdayString() {
-        if (birthday == null) {
-            return "unknown";
-        }
-        return DateUtil.format(birthday);
-    }
-
-    public void setFirstName(String firstName) {
-        this.firstName = firstName;
-    }
-
-    public void setLastName(String lastName) {
-        this.lastName = lastName;
-    }
-
-    public void setEmail(String email) {
-        if (!EmailValidator.isValid(email)) {
-            throw new IllegalArgumentException("Invalid email format");
-        }
-        
-        this.email = email;
-    }
-
-    public void setPhoneNumber(String phoneNumber) {
-        if (!PhoneValidator.isValid(phoneNumber)) {
-            throw new IllegalArgumentException("Invalid phone number format");
-        }
-
-        this.phoneNumber = phoneNumber;
-    }
-
-    public void updateBirthday(String birthday) {
-        if (birthday == null) {
-            throw new IllegalArgumentException("Birthday cannot be null");
-        }
-
-        if (!DateUtil.isValidDate(birthday)) {
-            throw new IllegalArgumentException("Invalid birthday format");
-        }
-
-        LocalDate newBirthday = DateUtil.parse(birthday);
-
-        if (newBirthday.isAfter(DateUtil.today())) {
-            throw new IllegalArgumentException("Birthday cannot be in the future");
-        }
-
-        if (DateUtil.yearsSince(newBirthday) > 150) {
-            throw new IllegalArgumentException("Age cannot be greater than 150 years");
-        }
-        this.birthday = newBirthday;
-    }
-
-    @Override
-    public String toString() {
-        return String.format(
-            "Full Name: %s\nBirthday: %s\nAge: %d\nIs Adult (Germany): %b\nIs Minor (Germany): %b\nEmail: %s\nPhone Number: %s",
-            getFullName(),
-            getBirthdayString(),
-            getAge(),
-            isAdult(Country.DE),
-            isMinor(Country.DE),
-            email,
-            phoneNumber
-        );
-    }
-
-    public String playGame() {
-        revolverIndex++;
-        int shot = revolverIndex % bullets.length;
-        if (shot == bullets.length - 1) {
-            System.out.println(getFullName() + " reached the end and wins!");
-            return "win";
-        }
-
-        System.out.println(getFullName() + " pulls the trigger...");
-
-        if (bullets[shot]) {
-            System.out.println("💀 " + getFullName() + " lost!");
-            return "lose";
-        } else {
-            System.out.println("😅 " + getFullName() + " survives.");
-            return "survive";
-        }
-    }
-}

src/PhoneValidator.java

@@ -1,13 +0,0 @@
-package src;
-
-import java.util.regex.Pattern;
-
-public class PhoneValidator {
-    private static final Pattern PHONE_PATTERN = Pattern.compile(
-        "^\\+?[0-9][0-9\\- ]{6,14}$"
-    );
-
-    public static boolean isValid(String phone) {
-        return phone != null && PHONE_PATTERN.matcher(phone).matches();
-    }
-}