Browser navigation's using Selenium WebDriver

Selenium Webdriver Browser navigations:
1.Open url
2.Maximize browser
3.Click on a link
4.Back,Forward and Refresh browser
5.Close the browser

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

public class Browser_Navigations {

public static void main(String args[]) throws InterruptedException {
WebDriver driver = new FirefoxDriver();
driver.get("http://docs.seleniumhq.org/");
driver.manage().window().maximize();
driver.findElement(By.id("menu_documentation")).click();
Thread.sleep(2000);
driver.navigate().back();
driver.navigate().forward();
driver.navigate().refresh();
driver.close();
}

}