Q)How to handle Multiple Window in Selenium and write code to make Re-usable  method  and Add in framework

package com.seleniumpractice;

import java.util.Iterator;

import java.util.Set;

import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.chrome.ChromeDriver;

public class CityBankMutipleWindow extends HelperTest{

public static void main(String[] args) {

System.setProperty("webdriver.chrome.driver","D:\\driver1016\\chromedriver.exe");

WebDriver driver=new ChromeDriver();

driver.get("https://www.online.citibank.co.in/");

driver.manage().window().maximize();

driver.manage().timeouts().implicitlyWait(10,TimeUnit.SECONDS);

//String parentWindow= driver.getWindowHandle();

String parentWindow= HelperTest.getParentWindow(driver);

String actualparentWindowtite=driver.getTitle();

System.out.println("actualparentWindowtite.." + actualparentWindowtite);

String expectedparentWindowtite="Citi India - Credit Cards, Personal & Home Loans, Investment, Wealth Management & Banking";

HelperTest.compareString(actualparentWindowtite, expectedparentWindowtite);

driver.findElement(By.xpath("//a[@id='loginId']/img")).click();

/*

Set<String> set= driver.getWindowHandles();

Iterator<String> itr=set.iterator();

while(itr.hasNext()){

String childWindow=itr.next();

if(!(parentWindow).equals(childWindow)){

driver.switchTo().window(childWindow);

//String actualchildwinowTite=driver.getTitle();

//System.out.println("actualchildwinowtite....");

//String expectedchidwindowTitle="citibank";

//System.out.println("expectedchidwindow"+expectedchidwindowTitle);

* 

*/

HelperTest.getChildWindow(driver);

String actualStr=driver.findElement(By.xpath("//h1[contains(text(),'Welcome to Citibank Online')]")).getText();

System.out.println("actualStr..." + actualStr);

String expctedStr="Welcome to Citibank Online";

System.out.println("expctedStr..."+ expctedStr);

HelperTest.compareString(actualStr, expctedStr);

//driver.switchTo().window(parentWindow);

HelperTest.switchToWindow(driver, parentWindow);

driver.quit();

}

}

=========================================================================

package com.seleniumpractice;

import java.util.Iterator;

import java.util.List;

import java.util.Set;

import java.util.concurrent.TimeUnit;

import org.openqa.selenium.Alert;

import org.openqa.selenium.By;

import org.openqa.selenium.NoSuchElementException;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.WebElement;

import org.openqa.selenium.chrome.ChromeDriver;

import org.openqa.selenium.interactions.Actions;

import org.openqa.selenium.support.ui.ExpectedConditions;

import org.openqa.selenium.support.ui.FluentWait;

import org.openqa.selenium.support.ui.Select;

import org.openqa.selenium.support.ui.Wait;

import org.openqa.selenium.support.ui.WebDriverWait;

public class HelperTest {

public static WebDriver driver;

public static String driverpath="D:\\SeleniumJar_08_28_2020\\chromedriver_win32 (4)\\chromedriver.exe\\";

public static String url="file:///D:/Ingenious_TechHub_Teaching/Ingenious_Selenium/Htmldoc/dob.html";

/**

* This Method is used to launch App

* 

*/

public static void launchApp(){

System.setProperty("webdriver.chrome.driver", driverpath);

driver=new ChromeDriver();

driver.get(url);

maxmizeBrowser();

}

/**

* This Method is used to max browser

* 

*/

public static void maxmizeBrowser(){

driver.manage().window().maximize();

}

/**

* This Method is used to close borwser

* 

*/

public static void closeBrowser(){

driver.close();

}

/**

* This Method is used to compare String

* @param actual is String Type

* @param Expected is String Type

*/

public static void compareString(String actual,String expected){

if(actual.equals(expected)){

System.out.println("************ Test Cased is passed ***********");

}

else{

System.out.println("************ Test Cased is Failed ***********");

}

}

public static WebElement explicitlyWait(WebDriver driver,int a,String str){

WebDriverWait wait=new WebDriverWait(driver,a);

return wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath(str)));

}

public static WebElement fluentWait(WebDriver driver,int a,int b,String strxpath){

Wait<WebDriver> wait=new FluentWait<>(driver)

.withTimeout(a, TimeUnit.SECONDS)

.pollingEvery(b, TimeUnit.SECONDS)

.ignoring(NoSuchElementException.class);

return wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath(strxpath)));

}

public static WebElement getfirstOptions(WebElement ele){

Select sel=new Select(ele);

WebElement getFirstOption=sel.getFirstSelectedOption();

String strgetFirstOption= getFirstOption.getText();

System.out.println("strgetFirstOption..."+ strgetFirstOption);

return getFirstOption;

}

public static WebElement listofDropdown(WebElement ele){

Select sel=new Select(ele);

List<WebElement> listofDropdown=sel.getOptions();

for(int i=0;i<listofDropdown.size();i++){

String listofDrop=listofDropdown.get(i).getText();

System.out.println("listofDrop..." + listofDrop);

}

return ele;

}

public static WebElement selctByIndexEle(WebElement ele1,int index){

Select selEle=new Select(ele1);

selEle.selectByIndex(index);

return ele1;

}

public static WebElement selectByValueEle(WebElement ele2,String value){

Select selEle=new Select(ele2);

selEle.selectByValue(value);

return ele2;

}

public static WebElement selectByTextEle(WebElement ele3,String text){

Select selEle=new Select(ele3);

selEle.selectByVisibleText(text);

return ele3;

}

public static List<WebElement> selectBosttrapDropDown(List<WebElement> list,String xpath,String selValue){

list=driver.findElements(By.xpath(xpath));

for(int i=0;i<list.size();i++){

String str=list.get(i).getText();

if(str.equalsIgnoreCase(str)){

list.get(i).click();

break;

}

}

return list;

}

public static WebElement movetoElement(WebDriver driver,WebElement ele){

Actions act=new Actions(driver);

act.moveToElement(ele).perform();

return ele;

}

public static void ClickWithActions(WebDriver driver,WebElement ele){

Actions act=new Actions(driver);

act.moveToElement(ele).click().perform();

}

public static void dragAndDrop(WebDriver driver,WebElement drag,WebElement drop){

Actions act=new Actions(driver);

act.dragAndDrop(drag, drop).build().perform();

}

public static void movetoOffSet(WebDriver driver,WebElement ele,int xoffSet,int yoffSet){

Actions act=new Actions(driver);

act.moveToElement(ele, xoffSet,yoffSet).perform();

}

public static String alertGetText(WebDriver driver){

Alert alt=driver.switchTo().alert();

String getStr=alt.getText();

System.out.println(getStr);

return getStr;

}

public static void alertAccept(WebDriver driver){

Alert alt=driver.switchTo().alert();

alt.accept();

}

public static void alerDismiss(WebDriver driver){

Alert alt=driver.switchTo().alert();

alt.dismiss();

}

public static String gettilteofPage(WebDriver driver){

String str=driver.getTitle();

System.out.println(str);

return str;

}

public static String getParentWindow(WebDriver driver){

return driver.getWindowHandle();

}

public static void getChildWindow(WebDriver driver){

Set<String> set=driver.getWindowHandles();

Iterator<String> itr=set.iterator();

while(itr.hasNext()){

String childWindow=itr.next();

String parentdow=getParentWindow(driver);

if(!parentdow.equals(childWindow)){

driver.switchTo().window(childWindow);

}

}

}

public static void switchToWindow(WebDriver driver,String window){

driver.switchTo().window(window);

}

}