Code to start Selenium Server in TestNG

This is the basic structure of TestNG class

package file;

import org.testng.annotations.Test;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.AfterTest;

import com.thoughtworks.selenium.*;
import org.openqa.selenium.server.SeleniumServer;

public class NewTest {
  private SeleniumServer seleniumServer;
    private Selenium selenium = new DefaultSelenium( "localhost",4444,
             "*chrome","http://");

 @Test
 public void f() {
 }

 @BeforeTest
 public void beforeTest() throws Exception {
   seleniumServer = new SeleniumServer();
     seleniumServer.start();
     selenium.start();
 }

 @AfterTest
 public void afterTest() {
   selenium.stop();
     seleniumServer.stop();
 }

}