직렬화

import java.io.Serializable; public class Person implements Serializable { private static final long serialVersionUID = 1L; private String name; private int age; public Person(String name, int age) { this.name = name; this.age = age; } @Override public String toString() { return "Person{name='" + name + "', age=" + age + "}"; } }

import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectOutputStream; import java.util.Scanner; public class SerializePerson { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); // 사용자로부터 입력 받기 System.out.print("Enter name: "); String name = scanner.nextLine(); System.out.print("Enter age: "); int age = scanner.nextInt(); // Person 객체 생성 Person person = new Person(name, age); // 파일에 직렬화 try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("Person.dat"))) { oos.writeObject(person); System.out.println("Person object has been serialized and saved to Person.dat"); } catch (IOException e) { e.printStackTrace(); } finally { scanner.close(); } } }

import java.io.FileInputStream; import java.io.IOException; import java.io.ObjectInputStream; public class DeserializePerson { public static void main(String[] args) { // 파일에서 역직렬화 try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("Person.dat"))) { Person person = (Person) ois.readObject(); System.out.println("Person object has been deserialized: " + person); } catch (IOException | ClassNotFoundException e) { e.printStackTrace(); } } }

import java.io.Serializable; public class Person implements Serializable { private static final long serialVersionUID = 1L; // 고유 식별자 private String name; private int age; public Person(String name, int age) { this.name = name; this.age = age; } // Getter, Setter, toString() 등 필요한 메소드들 }

private static final long serialVersionUID = 1L;

private String name; private int age; private String address;

private static final long serialVersionUID = 2L;