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

    // fetch all windows before clicking on new window link.
    Set windowHandles = driver.getWindowHandles();
    // Click on link to open new window
    driver.findElement(By.tagName("a")).click();  // link to open new window

    Set updatedWindowHandles = driver.getWindowHandles();
    updatedWindowHandles.removeAll(windowHandles);
    for (String window: updatedWindowHandles) {
        driver.switchTo().window(window);
    }