AlertPopUpHandle.java

package SeleniumSessions;

import org.openqa.selenium.Alert;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;

public class AlertPopUpHandle {

	public static void main(String[] args) throws InterruptedException {

		
		System.setProperty("webdriver.chrome.driver", "/Users/naveenkhunteta/Downloads/chromedriver");	
		WebDriver driver = new ChromeDriver(); //launch chrome
		
		driver.get("https://mail.rediff.com/cgi-bin/login.cgi");
		
		driver.findElement(By.name("proceed")).click(); //click on Go btn
		
		Thread.sleep(5000);
		
		Alert alert = driver.switchTo().alert();
		
		System.out.println(alert.getText());
		
		String text = alert.getText();
		
		if(text.equalsIgnoreCase("Please enter a valid user name")){
			System.out.println("correct alert messg");
		}
		else{
			System.out.println("in-correct alert messg");
		}
		
		alert.accept(); //click on OK btn
		
		//alert.dismiss(); //click on cancel btn
		
	}

}