Selenium Java Chrome can't click button

Question

i am learning Selenium i need some help. okay i was working with This website . here is use case :

1. Enter Text in search bar (Done)
2. Press Search Button. (Not Done)

I have tried with className to click button but it is not working

//then this method to search 

void invokeChrome(){
    try{
        System.setProperty("webdriver.chrome.driver", "D:\\software testing\\chromedriver.exe");
        web = new ChromeDriver();
        web.manage().deleteAllCookies();
        web.manage().window().maximize();
        web.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
        web.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
        web.get("https://www.coursera.org");
    }catch(Exception e)
    {
        System.out.println(e.getMessage());
    }
}

I am using Chromedrive 74 and selenium : 3.9.0 release

Answer 1

nostyle mobile-magnifier is not a single class, it has 2 classes so you are getting compound class exception when try with By.className. So change that line as shown below using xpath.

Xpath:

 web.findElement(By.xpath("//button[@aria-label='Enter Search'] [2]")).click();