Selenium WebDriver baisc Commands

Initialize the Web Driver
       WebDriver driver = new FirefoxDriver();

Navigate to Web Page.
      driver.get("http://www.google.com");

Navigate to particular button and Click on It.
       driver.findElement(By.id("idname")).click();

Wait using driver Manage
       driver.manage().wait(3000);

Typing the Keys in TextBox.
       driver.findElement(By.id("userid")).sendKeys("bposthkseller1");

Click on Submit Button.
       driver.findElement(By.id("sgnBt")).submit();
       driver.manage().wait(3000);

Click on Link which contains Text.
       driver.findElement(By.linkText("Preferences")).click();

Click on Button with XPath Value.
       driver.findElement(By.xpath("//li[2]/span[2]/div")).click();