setting profiles dynamically in firefox java selenium

import org.openqa.selenium.firefox.FirefoxProfile;     

FirefoxProfile prof = new FirefoxProfile();
     

        prof.setPreference("network.security.ports.banned.override", "465");
        prof.setPreference("browser.startup.homepage", "https://5.44.137.168:465/test-portal/");    
     
WebDriver driver = new FirefoxDriver(prof );
 //Engine.setDriver(new PatientFirefoxDriver(prof));


 //       PatientWebDriver driver = Engine.getDriver();
WebDriver driver = new FirefoxDriver(myprofile);

        driver.get("https://5.44.137.168:465/test-portal/");
     
inspiration: https://seleniumatfingertips.wordpress.com/2016/07/03/defining-firefoxprofile-preferences-using-selenium-webdriver-with-java/