Set Browser language in Selenium

Chrome Browser -

        System.setProperty("webdriver.chrome.driver","<LOCATION OF CHROME DRIVER EXE FILE>");
        ChromeOptions options = new ChromeOptions();
        options.addArguments(“–lang= sl”);
        ChromeDriver driver = new ChromeDriver(options);
  
Firefox Browser -

        FirefoxProfile profile = new FirefoxProfile();
        profile.setPreference(“intl.accept_languages”,”fr”);
        driver = new FirefoxDriver(profile);