JavaEclipseSeleniumWebDriver引发异常

所以我只是在编写一个简单的测试程序，在firefox中打开google。它不起作用了

Exception in thread "main" java.lang.IllegalStateException: The path to the driver executable must be set by the webdriver.gecko.driver system property; for more information, see https://github.com/mozilla/geckodriver. The latest version can be downloaded from https://github.com/mozilla/geckodriver/releases
    at com.google.common.base.Preconditions.checkState(Preconditions.java:738)
    at org.openqa.selenium.remote.service.DriverService.findExecutable(DriverService.java:111)
    at org.openqa.selenium.firefox.GeckoDriverService.access$100(GeckoDriverService.java:38)
    at org.openqa.selenium.firefox.GeckoDriverService$Builder.findDefaultExecutable(GeckoDriverService.java:112)
    at org.openqa.selenium.remote.service.DriverService$Builder.build(DriverService.java:302)
    at org.openqa.selenium.firefox.FirefoxDriver.createCommandExecutor(FirefoxDriver.java:312)
    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:272)
    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:267)
    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:263)
    at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:122)
    at Test.main(Test.java:7)

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请从下面提到的链接下载Geckodriver

在测试程序中设置Geckodriver路径-

public class links {

    public static void main(String[] args) throws InterruptedException {
        WebDriver driver;
        //System.setProperty("webdriver.firefox.marionette", "D:\\vidya\\selenium\\geckodriver-v0.13.0-win64\\geckodriver.exe");
        driver =new FirefoxDriver();
        driver.manage().window().maximize();

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您是否阅读了非常清晰的错误消息？

public class links {

    public static void main(String[] args) throws InterruptedException {
        WebDriver driver;
        //System.setProperty("webdriver.firefox.marionette", "D:\\vidya\\selenium\\geckodriver-v0.13.0-win64\\geckodriver.exe");
        driver =new FirefoxDriver();
        driver.manage().window().maximize();