E-Library Books Tracker API

import com.google.gson.Gson;
import java.io.*;

public class BookTracker {
    private static final Gson gson = new Gson();

    public static void saveBookToJson(Object book, String filepath) {
        try (FileWriter writer = new FileWriter(filepath)) {
            gson.toJson(book, writer);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}