How to open incognito/private window with Selenium WD for different browser types?

Question

I want to test my test cases in private window or incognito window.

How to do the same in various browsers:

Answer 1

For Chrome use this code to open the browser in incognito mode:

public WebDriver chromedriver;
ChromeOptions options = new ChromeOptions();
options.addArguments("-incognito");
DesiredCapabilities capabilities = DesiredCapabilities.chrome();
capabilities.setCapability(ChromeOptions.CAPABILITY, options);
WebDriver chromedriver=new ChromeDriver(capabilities);
chromedriver.get("url");