无法读取java中的json文件

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

public class ReadJsonFile {
    public static void main(String[] args) {
        String filePath = "path/to/your/json/file.json";
        try (BufferedReader br = new BufferedReader(new FileReader(filePath))) {
            StringBuilder sb = new StringBuilder();
            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
            String jsonContent = sb.toString();
            System.out.println(jsonContent);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import com.fasterxml.jackson.databind.ObjectMapper;

public class JsonToObject {
    public static void main(String[] args) {
        String jsonContent = "{\"name\":\"John\", \"age\":30}";
        ObjectMapper objectMapper = new ObjectMapper();
        try {
            Person person = objectMapper.readValue(jsonContent, Person.class);
            System.out.println(person);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

class Person {
    private String name;
    private int age;

    // Getters and setters

    @Override
    public String toString() {
        return "Person{name='" + name + "', age=" + age + '}';
    }
}