How to get cookie names and delete cookies

import java.util.Iterator;
import java.util.Set;
import org.openqa.selenium.Cookie;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
public class Cookies {
 public static void main(String[] args){

  WebDriver driver= new FirefoxDriver();
  driver.get("https://gmail.com");
  Set<Cookie> cookee= driver.manage().getCookies();
  Iterator<Cookie> it = cookee.iterator() ;
  while(it.hasNext())
  {
   Cookie c= it.next();
   System.out.println(c.getDomain() + c.getName() );
 
  }

  driver.manage().deleteAllCookies() ;

 }


}
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import java.util.Set;
import org.openqa.selenium.Cookie;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;


public class FindAllCookiesInaWebSite
{
    public static void main(String[] args) 
    {
        WebDriver driver=new FirefoxDriver();
        driver.get("http://in.yahoo.com/");
        
        Set<Cookie> cookies=driver.manage().getCookies();
        
        //To find the number of cookies used by this site
        System.out.println("Number of cookies in this site "+cookies.size());
        
        for(Cookie cookie:cookies)
        {
            System.out.println(cookie.getName()+" "+cookie.getValue());
            
            //This will delete cookie By Name
            //driver.manage().deleteCookieNamed(cookie.getName());
            
            //This will delete the cookie
            //driver.manage().deleteCookie(cookie);
        }
        
        //This will delete all cookies.
        //driver.manage().deleteAllCookies();   
    }
}