Selenium-Firefox-java-gecko-warning消息

Question

package test;

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;

public class teatcalss {

public static void main(String[] args) {
    // declaration and instantiation of objects/variables
      System.setProperty("webdriver.gecko.driver", "D:\\java\\geckodriver-v0.14.0-win64\\geckodriver.exe");

    WebDriver driver = new FirefoxDriver();
    String baseUrl = "http://newtours.demoaut.com";
    String expectedTitle = "Welcome: Mercury Tours";
    String actualTitle = "";

    // launch Firefox and direct it to the Base URL
    driver.get(baseUrl);

    // get the actual value of the title
    actualTitle = driver.getTitle();

    /*
     * compare the actual title of the page witht the expected one and print
     * the result as "Passed" or "Failed"
     */
    if (actualTitle.contentEquals(expectedTitle)){
        System.out.println("Test Passed!");
    } else {
        System.out.println("Test Failed");
    }

    //close Firefox
    driver.close();

    // exit the program explicitly
    System.exit(0);
}
}