Selenium WebDriver : How to find the highlighted text on webpage.

/*
 * How to find the highlighed text on webpage.
 * Programming language : JAVA

 * Autoamtion Library : Selenium
 * 
 * We can achieve this with the help of JavaScript window.getSelection().toString() function
 * 
 */

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



public class HighlightedTextOnWebPage {

 public static void main(String[] args) throws InterruptedException {
  
  WebDriver driver = new FirefoxDriver();
  JavascriptExecutor js = null;
 
  driver.get("https://google.com");
  Thread.sleep(5000);
  // Try to highlight any text on webpage using the mouse. 
  
  
  if (driver instanceof JavascriptExecutor) {
      js = (JavascriptExecutor)driver;
  }
  
  String hldText = (String)js.executeScript("return window.getSelection().toString();");
  System.out.println("Highlighted Text on WebPage is : " + hldText.trim());
  
 }
}