Java Sample

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;

public class JavaAPISample {

    public static void main(String[] args) throws IOException {
        JavaAPISample apiEvent = new JavaAPISample();
        apiEvent.GetEvent();
        apiEvent.CreateorUpdateEvent();
    }
     
    //Get an Event
    private void GetEvent() throws IOException {
        String url = "https://{customerid}.api2.test.queue-it.net/2_0/event/{myEventId}";
        String apiKey = "Your api key available at /account/security page under APi-keys tab in Go platform";

        try {
            //make connection
            URL resource = new URL(url);
            URLConnection connection = resource.openConnection();
            
            //It Content Type is so importan to support JSON call
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("api-key", apiKey);

            //get result
            BufferedReader result = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            StringBuilder response = new StringBuilder();
            String inputLine;
            while ((inputLine = result.readLine()) != null) {
                response.append(inputLine);
                System.out.println("Success! " + inputLine);
            }
            result.close();
        } 
        catch (IOException ex) {
            System.out.println("Error! " + ex);
            //Use your favorit logging framework to log the exceptoin
        }
    }
    
    //Create or update an Event
    private void CreateorUpdateEvent() throws IOException {
    
        String url = "https://{customerid}.api2.test.queue-it.net/2_0/event/{myEventId}";
        String apiKey = "Your api key available at /account/security page under APi-keys tab in Go platform";

        String eventData = "{\n"
                + "  \"DisplayName\": \"My event display name\",\n"
                + "  \"RedirectUrl\": \"https://www.ticketania.com/supersale\",\n"
                + "  \"Description\": \"My event description\",\n"
                + "  \"TimeZone\": \"UTC\",\n"
                + "  \"TimeZonePostfix\": \"DST\",\n"
                + "  \"PreQueueStartTime\": \"2018-05-05T08:47:34.0518179Z\",\n"
                + "  \"EventStartTime\": \"2018-05-05T09:17:34.0518179Z\",\n"
                + "  \"EventEndTime\": \"2018-05-09T09:17:34.0518179Z\",\n"
                + "  \"EventCulture\": \"en-US\",\n"
                + "  \"MaxNoOfRedirectsPrQueueId\": \"3\",\n"
                + "  \"QueueNumberValidityInMinutes\": \"10\",\n"
                + "  \"AfterEventLogic\": \"RedirectUsersToSpecialPage\",\n"
                + "  \"AfterEventRedirectPage\": \"https://www.ticketania.com\",\n"
                + "  \"AfterEventEndUserRedirectsEnabled\": null,\n"
                + "  \"UseSSL\": \"Auto\",\n"
                + "  \"JavaScriptSupportEnabled\": \"False\",\n"
                + "  \"TargetUrlSupportEnabled\": \"True\",\n"
                + "  \"SafetyNetMode\": \"OutputThroughput\",\n"
                + "  \"KnowUserSecurity\": \"KnownUserV3\",\n"
                + "  \"KnowUserSecretKey\": \"skfsdfjsgjfghsfjgjriwery83476weyf\",\n"
                + "  \"CustomLayout\": \"Default layout by Queue-it\",\n"
                + "  \"TargetUrlValidationRegex\": \"(?#validationrule)(^https?://([^/]*\\\\.)?ticketania\\\\.com($|/))\",\n"
                + "  \"DomainAlias\": \"ttsale\",\n"
                + "  \"BrowserCultureEnabled\": \"True\",\n"
                + "  \"IdleQueueLogic\": \"RedirectUsersToSpecialPage\",\n"
                + "  \"IdleQueueRedirectPage\": \"https://www.ticketania.com\",\n"
                + "  \"CaptchaType\": null,\n"
                + "  \"IsTest\": \"False\",\n"
                + "  \"RequireKey\": null\n}";

        try {
            //It change the apostrophe char to double colon char, to form a correct JSON string
            eventData = eventData.replace("'", "\"");

            //make connection
            URL resource = new URL(url);
            HttpURLConnection connection = (HttpURLConnection) resource.openConnection();
            
            //It Content Type is so importan to support JSON call
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("api-key", apiKey);

            //use post mode
            connection.setDoOutput(true);
            connection.setRequestMethod("PUT");

            byte[] outputInBytes = eventData.getBytes("UTF-8");
            OutputStream result = connection.getOutputStream();
            result.write(outputInBytes);
            result.close();
            connection.getInputStream();
        } 
        catch (IOException ex) {
            System.out.println("Error! " + ex);
            //Use your favorit logging framework to log the exceptoin
        }
    }
}