Page scroll up or down in Selenium WebDriver (Selenium 2) using java

To scroll up or down in a web page using Selenium WebDriver in Java, you can use the JavascriptExecutor interface and the scrollBy method.

Here's an example of how to scroll down in a web page using Selenium WebDriver:

WebDriver driver = new ChromeDriver();

JavascriptExecutor js = (JavascriptExecutor) driver;

// Scroll down
js.executeScript("window.scrollBy(0, 1000)");

To scroll up, you can use a negative value for the y-coordinate:

// Scroll up
js.executeScript("window.scrollBy(0, -1000)");

You can also use the scrollTo method to scroll to a specific element on the page:

WebElement element = driver.findElement(By.id("elementId"));

// Scroll to the element
js.executeScript("arguments[0].scrollIntoView();", element);

I hope this helps! Let me know if you have any questions.