send request with body - RestTemplate

HttpHeaders headers = new HttpHeaders(); 

headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED); 

MultiValueMap<String, String> data = new LinkedMultiValueMap<String, String>(); 

data.add("client_id",clientId); 

data.add("client_secret",clientSecret); 

data.add("grant_type",grantType); 

data.add("redirect_uri",redirectUrl); 

data.add("code",code.split("#")[0]); 

HttpEntity<MultiValueMap<String, String>> 

request = new HttpEntity<>(data, headers); 

ResponseEntity<String> response = restTemplate.postForEntity(accessTokenUrl,request,String.class);