import org.openqa.selenium.By;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;

public class HeadlessTestWithChrome {
public static void main(String[] args) {

    System.setProperty("webdriver.chrome.driver", "Path to chromedriver.exe");

    ChromeOptions options = new ChromeOptions();
    options.addArguments("window-size=1400,800");
    options.addArguments("headless");

    WebDriver driver = new ChromeDriver(options);
    driver.get("http://automationtesting.in");
    System.out.println("Site Title is: "+ driver.getTitle());
    driver.findElement(By.cssSelector("#s")).sendKeys("testng");
    driver.findElement(By.cssSelector("#s")).sendKeys(Keys.ENTER);
    System.out.println("Site Title is: "+ driver.getTitle());
    driver.quit();
}

}