Here is example of LoginPage.java
//LoginPage.java
package pages;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
public class LoginPage {
private WebDriver driver;
private By usernameField = By.id("username");
private By passwordField = By.id("password");
private By loginBtn = By.id("loginBtn");
public LoginPage(WebDriver driver) {
this.driver = driver;
}
public void login(String user, String pass) {
driver.findElement(usernameField).sendKeys(user);
driver.findElement(passwordField).sendKeys(pass);
driver.findElement(loginBtn).click();
}
}