Assigment question is added in ChildWindowHandling Package

src/test/java/Techniques/ChildWindowHandling/AssigmentExample.java

+package Techniques.ChildWindowHandling;
+
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.firefox.FirefoxDriver;
+import org.openqa.selenium.support.ui.ExpectedConditions;
+import org.openqa.selenium.support.ui.WebDriverWait;
+
+import java.time.Duration;
+import java.util.HashSet;
+import java.util.Iterator;
+
+public class AssigmentExample {
+    public static void main(String[] args) {
+        WebDriver obj = new FirefoxDriver();
+        obj.get("https://the-internet.herokuapp.com/");
+
+
+
+        // creating web element of that li locator.
+        WebElement text = obj.findElement(By.cssSelector("a[href='/windows']"));
+
+        // click on that link
+        text.click();
+
+        // clicking to move on new page:
+        WebElement text2= obj.findElement(By.cssSelector("div a[href='/windows/new']"));
+
+        text2.click();
+
+        HashSet windows = new HashSet<>(obj.getWindowHandles());
+
+        Iterator<String> it = windows.iterator();
+
+        String parentWindow = it.next();
+        String childWindow = it.next();
+
+        WebDriverWait wait = new WebDriverWait(obj, Duration.ofSeconds(8));
+
+        obj.switchTo().window(childWindow);
+
+        wait.until(ExpectedConditions.visibilityOfElementLocated(By.cssSelector("div[class='example'] h3")));
+
+        String dummyText2 = obj.findElement(By.cssSelector("div[class='example'] h3")).getText();
+
+        System.out.println(dummyText2);
+
+        obj.switchTo().window(parentWindow);
+
+        wait.until(ExpectedConditions.visibilityOfElementLocated(By.cssSelector("div[id='content'] div h3")));
+
+        String dummyText = obj.findElement(By.cssSelector("div[id='content'] div h3")).getText();
+        System.out.println(dummyText);
+
+
+
+
+
+    }
+}