Page Object Model(SingIn-Page)Exp

By Using Page Object Model SignInPage  Store Locaters and Test  Best Example for (Singin-Page)

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.FindBy;
import org.openqa.selenium.support.PageFactory;

/**
 * Class which models the view of Sign-In page
 */
public class SignInPage {
 
    @FindBy(id="username")
    private usernameInput;

    @FindBy(id="password")
    private passwordInput;

    @FindBy(id="signin")
    private signInButton;

    private WebDriver driver;

    public SignInPage(WebDriver driver) {
        this.driver = driver;
    }
 
    /**
     * Method to perform login
     */
    public HomePage performLogin(String username, String password) {
        usernameInput.sendKeys(username);
        passwordInput.sendKeys(password);
        signInButton.click();
        wait.ForPageToLoad();
        return PageFactory.initElements(driver, HomePage.class);
    }
}


import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.FindBy;
import org.openqa.selenium.support.PageFactory;
/**
 * Class which models the view of home page
 */
public class HomePage {
    @FindBy(id="logout")
    private logoutLink;

    private WebDriver driver;

    public HomePage(WebDriver driver) {
        this.driver = driver;
    }
 
    /**
     * Method to log out
     */
    public SignInPage logout() {
        logoutLink.click();
        wait.ForPageToLoad();
        return PageFactory.initElements(driver, SignInPage.class);
    }
}

/**
 * Login test class
 */
public class LoginTest {
    public void testLogin() {
        SignInPage signInPage = new SignInPage(driver);
        HomePage homePage = signInPage.login(username, password);
        signInPage = homePage.logout();
    }
}