如何计算存储在*.ser文件中的对象数

import org.apache.commons.lang3.SerializationUtils;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.ArrayList;
import java.util.List;

public class SerFileReader {

    public static void main(String[] args) {
        String filePath = "path/to/your/file.ser";
        List<Object> objects = readObjectsFromSerFile(filePath);
        System.out.println("Number of objects in the *.ser file: " + objects.size());
    }

    public static List<Object> readObjectsFromSerFile(String filePath) {
        List<Object> objects = new ArrayList<>();
        try (FileInputStream fileInputStream = new FileInputStream(new File(filePath));
             ObjectInputStream objectInputStream = new CustomObjectInputStream(fileInputStream)) {
            while (true) {
                Object object = objectInputStream.readObject();
                objects.add(object);
            }
        } catch (EOFException e) {
            // End of file reached, which is expected
        } catch (IOException | ClassNotFoundException e) {
            e.printStackTrace();
        }
        return objects;
    }
}