Web Driver Script to find max price in amazon LED TV

Web Driver Script to find max price in amazon LED TV:-

package basicexample;

import java.util.List;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;
public class AmazonLogic {
public static void main(String[] args) {
System.setProperty("webdriver.chrome.driver", "C://chromedriver.exe");
WebDriver driver = new ChromeDriver();
driver.manage().window().maximize();
// Open Amazon
driver.get("https://www.amazon.in/");
// Enter LED in search box
driver.findElement(By.id("twotabsearchtextbox")).sendKeys("LED");
// Click search button
driver.findElement(By.xpath("(//input[@class='nav-input'])[1]")).click();
List<WebElement> values=driver.findElements(By.xpath("//span[@class='a-price-whole']"));
String beforecomma ;
String aftercomma;
int f;
   int max=0;
    for(int i=0;i<values.size();i++)
    {
    String value = values.get(i).getText();
    System.out.println(value);
    if(value!="")
    {
    if(value.indexOf(",")!=-1)
    {
     beforecomma = value.substring(0,value.indexOf(","));
     aftercomma = value.substring(value.indexOf(",")+1);
     f = Integer.parseInt(beforecomma+aftercomma);
     System.out.println(f);
     if(max<f)
     {
    max=f;
     }
   
    }
    }
    }
    System.out.println("Maximum price is "+max);
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}

// Close Test
driver.close();
}

}