ReadTodosEx.java

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.annotations.Expose;

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;


record Todo(int userId, int id, @Expose String title, boolean completed) {
}

void main(String[] args) throws IOException, InterruptedException {

  String url = "https://jsonplaceholder.typicode.com/todos";

  HttpClient client = HttpClient.newHttpClient();
  HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build();

  HttpResponse<String> response = client.send(request,
      HttpResponse.BodyHandlers.ofString());

  var jsonString = response.body();

  System.out.println(jsonString);

  Gson gson = new GsonBuilder().excludeFieldsWithoutExposeAnnotation()
      .setPrettyPrinting().create();

  Todo[] todos = gson.fromJson(jsonString, Todo[].class);

  gson.toJson(todos, System.out);
}


// class Todo {

//     private int userId;

//     private int id;

//     @Expose
//     private String title;

//     private boolean completed;

//     public Todo(int userId, int id, String title, boolean completed) {
//         this.userId = userId;
//         this.id = id;
//         this.title = title;
//         this.completed = completed;
//     }

//     @Override
//     public String toString() {
//         final StringBuilder sb = new StringBuilder("Todo{");
//         sb.append("userId=").append(userId);
//         sb.append(", id=").append(id);
//         sb.append(", title='").append(title).append('\'');
//         sb.append(", completed=").append(completed);
//         sb.append('}');
//         return sb.toString();
//     }
// }