获取警报在selenium中使用带有java的if语句时插入'！= null'检查

The code is as below:

代码如下:

public class Click {
private WebDriver driver;

@Test
public void Tocheckdifferentclickfeatures()  throws InterruptedException {

    System.setProperty("webdriver.chrome.driver",
            "C:\Users\abhishek.gautam\workspace\chromedriver.exe");

    WebDriver driver = new ChromeDriver();

    driver.get("https://in.bookmyshow.com/mumbai");

    driver.manage().window().maximize();

    Thread.sleep(3000);
    driver.findElement(By.id("wzrk-cancel")).click();
    Thread.sleep(3000);
    driver.findElement(By.xpath("//*[@id='navbar']/div[2]/div/ul[1]/li[3]/a")).click();
    driver.findElement(By.xpath("//*[@id='navbar']/div[2]/div/ul[1]/li[3]/a")).click();
    JavascriptExecutor jse = (JavascriptExecutor)driver;
    jse.executeScript("window.scrollBy(0,250)", "");
    Thread.sleep(3000);
    if(driver.findElement(By.linkText("Sunburn Arena with Martin Garrix (Mumbai)"))).isDisplayed()
public class Cl