Post Jackson Object Via Rest Template

PostJacksonObjectViaRestTemplate.java

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.http.*;
import org.springframework.web.client.RestTemplate;

class PostJacksonObjectViaRestTemplate {

    public static void main(String[] args) throws Exception {
        String url = "http://localhost:8080/example/";

        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        RestTemplate restTemplate = new RestTemplate();

        MyExample myExample = new MyExample("X");
        ObjectMapper mapper = new ObjectMapper();

        HttpEntity<String> request = new HttpEntity<>(mapper.writeValueAsString(myExample), headers);

        String response = restTemplate.postForObject(url, request, String.class);

        System.out.println(response);
    }
}

class MyExample {
    private String name;
    
    public MyExample(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

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