Field Validation for Alert Box when passing invalid inputs using Selenium

 Field Validation for Alert Box when passing invalid inputs using Selenium

 class name text

{

public static void main(String[] args) {

WebDriver z=new FirefoxDriver();

z.manage().window().maximize();

z.get("");

z.findElement(By.id("FIRSTNAME")).sendKeys("!@#$%^&*");

z.findElement(By.id("Button1")).click(); 

String at=z.switchTo().alert().getText();

System.out.println(at);

if(at.equals("First name Should not contain Special Characters"))

{

System.out.println("pass");

z.switchTo().alert().dismiss();

}

else

System.out.println("false");

z.findElement(By.id("FIRSTNAME")).clear();

z.findElement(By.id("FIRSTNAME")).sendKeys("TESTING");

z.findElement(By.id("Button1")).click(); 

String at1=z.switchTo().alert().getText();

System.out.println(at1);

if(at1.equals("First name Should not contain Special Characters"))

{

System.out.println("pass");

}

else

System.out.println("false");

z.switchTo().alert().dismiss();

}

}