HttpRequest request = new HttpRequest.Builder() .url("https://api.example.com/users") .method("POST") .header("Content-Type", "application/json") .body(jsonData) .build(); HttpResponse response = request.execute(); int statusCode = response.getStatusCode(); Map<String, String> headers = response.getHeaders(); String body = response.getBody(); HttpRequest request = new HttpRequest.Builder() .url("https://api.example.com/users") .method("GET") .build(); HttpRequest request = new HttpRequest.Builder() .url("https://api.example.com/users") .method("GET") .build();