selenium page object & Page Factory

package demo;

import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;

public class HomePage
{
public String    base_url = "https://www.baidu.com/";
public WebDriver driver;

WebElement inputBox;
WebElement searchButton;

/**
* @author Young
* @param message
*/
public void typeInputBox(String message)
{
inputBox = driver.findElement(By.id("kw"));
inputBox.clear();
inputBox.sendKeys(message);
}

/**
* @author Young
*/
public void clickSearchButton()

{
searchButton = driver.findElement((By.cssSelector("input#su")));
searchButton.click();
driver.manage().timeouts().pageLoadTimeout(90, TimeUnit.SECONDS);
}

/**
* @author Young
* @param d
*/
HomePage(WebDriver d)
{
this.driver = d;
driver.get(base_url);
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait(90, TimeUnit.SECONDS);
driver.manage().timeouts().pageLoadTimeout(90, TimeUnit.SECONDS);
}

/**
* @author Young
* @return
*/
public String getTitle()
{
return driver.getTitle();
}

}

package demo;

import java.util.concurrent.TimeUnit;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.FindBy;
import org.openqa.selenium.support.How;
import org.openqa.selenium.support.PageFactory;
import org.openqa.selenium.support.pagefactory.AjaxElementLocatorFactory;

public class HomePage
{
public String    base_url = "https://www.baidu.com/";
public WebDriver driver;

@FindBy(how = How.ID, using = "kw")
WebElement inputBox;
@FindBy(how = How.CSS, using = "input#su")
WebElement searchButton;

/**
* @author Young
* @param message
*/
public void typeInputBox(String message)
{
inputBox.clear();
inputBox.sendKeys(message);
}

/**
* @author Young
*/
public void clickSearchButton()
{
searchButton.click();
driver.manage().timeouts().pageLoadTimeout(90, TimeUnit.SECONDS);
}

/**
* @author Young
* @param d
*/
HomePage(WebDriver d)
{
this.driver = d;
driver.get(base_url);
driver.manage().window().maximize();
driver.manage().timeouts().implicitlyWait(90, TimeUnit.SECONDS);
driver.manage().timeouts().pageLoadTimeout(90, TimeUnit.SECONDS);
PageFactory.initElements(new AjaxElementLocatorFactory(driver, 15), this);
}

/**
* @author Young
* @return
*/
public String getTitle()
{
return driver.getTitle();
}

}