Copiedimport okhttp3.*;

public class Main {
    public static void main(String[] args) throws Exception {
        OkHttpClient client = new OkHttpClient();

        MediaType mediaType = MediaType.parse("application/json");
        RequestBody body = RequestBody.create(mediaType, "{ \"erecnosList\": [\"478346000011341865\", \"478346000000248077\"] }");

        Request request = new Request.Builder()
            .url("https://people.zoho.com/api/v1/trainers")
            .put(body)
            .addHeader("Authorization", "Zoho-oauthtoken YOUR_ACCESS_TOKEN")
            .addHeader("Content-Type", "application/json")
            .build();

        Response response = client.newCall(request).execute();
        System.out.println(response.body().string());
    }
}