如何实现json到android的正确？

import org.json.JSONException;
import org.json.JSONObject;

public class MainActivity extends AppCompatActivity {

    private TextView textView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        textView = findViewById(R.id.textView);

        // 发送网络请求获取 JSON 数据
        // 这里使用 Volley 作为网络请求库，需要提前添加相关依赖
        String url = "http://example.com/api/data.json";
        JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.GET, url, null,
                new Response.Listener<JSONObject>() {
                    @Override
                    public void onResponse(JSONObject response) {
                        try {
                            // 解析 JSON 数据
                            String name = response.getString("name");
                            int age = response.getInt("age");

                            // 创建 Java 对象并设置值
                            User user = new User();
                            user.setName(name);
                            user.setAge(age);

                            // 在 TextView 中显示结果
                            textView.setText("Name: " + user.getName() + "\nAge: " + user.getAge());
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        error.printStackTrace();
                    }
                });

        // 将请求添加到请求队列
        RequestQueue requestQueue = Volley.newRequestQueue(this);
        requestQueue.add(jsonObjectRequest);
    }
}

public class User {
    private String name;
    private int age;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}