import java.io.*;

import java.util.List;

class SuperClass implements Serializable {

private List<String> superItems = null;

private void writeObject(ObjectOutputStream out) throws IOException {

out.defaultWriteObject();

// Custom serialization logic that triggers SC_WRITE_METHOD flag

out.writeUTF("custom_marker");

}

private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {

in.defaultReadObject();

// Custom deserialization logic

String marker = in.readUTF();

System.out.println("Read custom marker: " + marker);

}

}

class Issue60CustomClass extends SuperClass {

private static final long serialVersionUID = 1L;

private String name;

private List<String> items = null;

private int port = 443;

public Issue60CustomClass(String name) {

this.name = name;

}

private void writeObject(ObjectOutputStream out) throws IOException {

out.defaultWriteObject();

// Custom serialization for child class too

out.writeInt(42);

}

private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {

in.defaultReadObject();

int customValue = in.readInt();

System.out.println("Read custom value: " + customValue);

}

@Override

public String toString() {

return "Issue60CustomClass{name='" + name + "', items=" + items + "', port=" + port + "}";

}

}

public class SerializationExample {

public static void main(String[] args) {

try {

// Create and serialize

Issue60CustomClass obj = new Issue60CustomClass("test");

System.out.println("Original: " + obj);

// Serialize to file

try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("issue60_custom_reader_endblock.ser"))) {

oos.writeObject(obj);

}

// Deserialize from file

try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("issue60_custom_reader_endblock.ser"))) {

Issue60CustomClass deserialized = (Issue60CustomClass) ois.readObject();

System.out.println("Deserialized: " + deserialized);

}

} catch (IOException | ClassNotFoundException e) {

e.printStackTrace();

}

}

}