Hello Vartika, you can handle Untrusted SSL Certificates in Firefox browser by using Firefox profile:
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxProfile;
public class SSLCertificate {
public static void main(String[] args) {
//It create firefox profile
FirefoxProfile profile=new FirefoxProfile();
// This will set the true value
profile.setAcceptUntrustedCertificates(true);
// This will open firefox browser using above created profile
WebDriver driver=new FirefoxDriver(profile);
driver.get("pass the url as per your requirement");
}
}