How to deal with checkbox webelement using selenium webdrive

import java.util.List;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;


public class testCheckox {


	public static void main(String[] args) {
		WebDriver myTestDriver = new FirefoxDriver();
		myTestDriver.get("http://tinyurl.com/yj9jgo");

		List<WebElement> CHECKBOXlist = myTestDriver
											.findElements(By
											.xpath("//input[@type='CHECKBOX']"));

		for(int i=0;i<CHECKBOXlist.size();i++){
			System.out.println(CHECKBOXlist.get(i).isSelected());
		}


		for(int i=0;i<CHECKBOXlist.size();i++){
				CHECKBOXlist.get(i).click();
		}


		for(int i=0;i<CHECKBOXlist.size();i++){
			System.out.println(CHECKBOXlist.get(i).isSelected());
		}

	}

}