How to switch between two windows in browser using Selenium java

Question

I\'m working with Selenium Automation. In this, When i click a link in a current window, a new window opens. I just want to switch the control to the new window. But i can\'

Answer 1

      Set  set = driver.getWindowHandles();
      Iterator it = set.iterator();
      String parentWindowId = it.next();
      String childWindowId = it.next();
      System.out.println(set);
      driver.switchTo().window(childWindowId);