📁 ex01

☕ Gender.java

public enum Gender {
    MALE("👦🏻"), FEMALE("👧🏼");

    private String emoji;
    Gender(String emoji) { this.emoji = emoji; }
    public String getEmoji() { return emoji; }
}

☕ ChildClass.java

//  기존처럼 클래스로 작성해야 했다면...
public class ChildClass {
    private final String name;
    private final int birthYear;
    private final Gender gender;

    public ChildClass(String name, int birthYear, Gender gender) {
        this.name = name;
        this.birthYear = birthYear;
        this.gender = gender;
    }

    public String getName() { return name; }
    public int getBirthYear() { return birthYear; }
    public Gender getGender() { return gender; }
}

☕ Child.java

// ⭐️  레코드로 작성
public record Child(
        String name,
        int birthYear,
        Gender gender
) {}

☕ Main.java

				Child child1 = new Child("홍길동", 2020, Gender.MALE);
				//  💡 toString 메소드 구현 (이후 배울 Object에서 상속받아 오버라이드)
        String childStr = child1.toString();

        Child[] children = new Child[] {
                new Child("김순이", 2021, Gender.FEMALE),
                new Child("이돌이", 2019, Gender.MALE),
                new Child("박철수", 2020, Gender.MALE),
                new Child("최영희", 2019, Gender.FEMALE),
        };

        for (Child child : children) {
            System.out.printf(
                    "%s %d년생 %s 어린이%n",
                    child.gender().getEmoji(),
                    child.birthYear(),
                    child.name()
            );
        }

더 많은 기능들