Selenium WebDriver Gmail Automation (Includes Compose, verify whether email has been sent or not and get number of the unread email in inbox folder)

Selenium WebDriver Gmail Automation (Includes Compose, verify whether email has been sent or not and get number of the unread email in inbox folder)

package zellaxSolutions.automationTesting;

import java.util.concurrent.TimeUnit;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;

public class newclass {

 public static void main(String[] args) throws InterruptedException {
  String subject="Write Subject Of Testing Email !!";
  WebDriver driver;
  driver=new FirefoxDriver();
  driver.navigate().to("https://www.google.co.in/?gfe_rd=cr&ei=Gmd-VdWTD-XH8AeqsbH4Bg&gws_rd=ssl");
  driver.manage().timeouts().implicitlyWait(3,TimeUnit.SECONDS);
  driver.findElement(By.className("gb_la")).click();
  // Login to Gmail
  driver.findElement(By.id("Email")).sendKeys("Enter Email Address (FROM)");
  driver.findElement(By.id("next")).click();
  driver.findElement(By.id("Passwd")).sendKeys("Enter Password");
  //Click on SignIn
  driver.findElement(By.id("signIn")).click();
  Thread.sleep(3000);
  //Compose Email
  driver.findElement(By.xpath("//div[@class='z0']/div")).click();
  Thread.sleep(3000);
  driver.findElement(By.className("vO")).sendKeys("Enter Email Address (TO)");
  Thread.sleep(3000);
  driver.findElement(By.className("aoT")).sendKeys(subject);
  Thread.sleep(3000);
  driver.findElement(By.xpath("//td[@class='Ap']/div[2]/div[@class='Am Al editable LW-avf']")).sendKeys("Write Text For an email.!!! :)");
  Thread.sleep(3000);
  driver.findElement(By.xpath("//div/div[text()='Send']")).click();
  Thread.sleep(3000);
  driver.findElement(By.xpath("//div/div/span/a[text()='Sent Mail']")).click();
    
  // To verify whether an email has been sent or not
  if(driver.findElements(By.xpath("//tr/td[6]/div/div/div[2]/span/b[text()='"+subject+"']"))!=null){
   System.out.println("Email Sent Successfully... :)");
  }
  else{
   System.out.println("Email Sending Failed... :(");
  }
  
  // To get the number of the unread emails in inbox folder
  driver.findElement(By.xpath("//div[@class='TN GLujEb']/div/span[@class='nU n1']/a")).click();
  String inboxString=driver.findElement(By.xpath("//div[@class='aim ain']/div/div/div/span/a")).getText();
  String inboxElements = inboxString.substring(inboxString.indexOf("(") + 1, inboxString.indexOf(")"));
  System.out.print(inboxElements);
  driver.close();  
 }

}