https://www.gcreddy.com/2021/04/selenium-tutorial-for-beginners.html
Manual Actions on Browser Window
Launch a Browser
Load/Open a web page
Maximize the Browser window
Browser Fullscreen
Return the Browser Title
Return the Current URL
Navigate to another page
Navigate back to the previous page
Navigate Forward
Refresh the Browser
Close the focused Browser window
Close all Browsers that opened by Selenium WebDriver

Selenium WebDriver Actions on Browser Window

public class Sample {
static WebDriver driver;
//Launch Browser
public void launchBrowser() {
System.setProperty("webdriver.chrome.driver", "D://chromedriver.exe");
driver = new ChromeDriver();
}
//Close Browser
public void closeBrowser() {
driver.close();
}
public static void main(String[] args) throws InterruptedException {
Sample obj = new Sample();

//Launch Browser
obj.launchBrowser();

//Load/Open a web page
driver.get("https://www.google.com/");

//Maximize the Browser window
driver.manage().window().maximize();

Thread.sleep(3000);

//Browser Full screen
driver.manage().window().fullscreen();
Thread.sleep(3000);
driver.manage().window().maximize();

// Return the Browser Title
String pageTitle = driver.getTitle();
System.out.println(pageTitle);

//Return the Current URL
String currentURL = driver.getCurrentUrl();
System.out.println(currentURL);

//Navigate to another page
driver.navigate().to("https://www.icicibank.com/");
Thread.sleep(3000);

//Navigate back to the previous page
driver.navigate().back();
Thread.sleep(3000);

//Navigate Forward
driver.navigate().forward();
Thread.sleep(3000);

driver.get("http://gcreddy.com/project/admin/login.php");
driver.findElement(By.name("username")).sendKeys("ABCD1234");
Thread.sleep(3000);

//Refresh the Browser
driver.navigate().refresh();
Thread.sleep(3000);

//Close the focused Browser window
obj.closeBrowser();
Thread.sleep(3000);

obj.launchBrowser();
driver.manage().window().maximize();
//Close all Browsers that opened by Selenium WebDriver
driver.get("https://www.gcreddy.com/2020/03/software-testing-project.html");
driver.findElement(By.partialLinkText("Admin")).click();
Thread.sleep(3000);
driver.quit();

}
}