SELENIUM GRID -Launching IE, Chrome, Firefox Browsers

SELENIUM GRID 

• Launching IE, Chrome, Firefox Browsers with selenium Grid

public class Grid_TestCase {
@Test
public void mailTest() throws MalformedURLException{
DesiredCapabilities dr=null;
String browserType ="Firefox";
WebDriver driver;
if(browserType.equals("Firefox")){
System.setProperty(GeckoDriverService.GECKO_DRIVER_EXE_PROPERTY,"C:\\Selenium_Projects\\Geo_Driver\\geckodriver.exe");

dr = DesiredCapabilities.firefox();
dr.setBrowserName("firefox");
dr.setPlatform(Platform.VISTA);
dr.setCapability("platform", "WIN7");
 dr.setCapability("version", "53.0");
 dr.setCapability("marionette", true);
 dr.setCapability("acceptSslCerts", true);
 
   driver=new RemoteWebDriver(new URL("http://10.76.174.34:5566/wd/hub"), dr);
   driver.get("http://guru99.com");

 String aName = driver.getTitle();
if(aName.contains("Guru")){
System.out.println("Test is passed");
}
else {
System.out.println("Test is Failed");
}
}
else if(browserType.equals("IE"))
         {
System.setProperty("webdriver.ie.driver","C:\\Selenium_Projects\\Geo_Driver\\IEDriverServer.exe");

dr=DesiredCapabilities.internetExplorer();
dr.setBrowserName("internet explorer");
dr.setPlatform(Platform.VISTA);
 driver=new RemoteWebDriver(new URL("http://10.76.174.34:5566/wd/hub"), dr);
 driver.get("http://guru99.com");
String aName = driver.getTitle();

if(aName.contains("Guru"))
{
System.out.println("Test is passed");
}
else
{
System.out.println("Test is Failed");
}
}
else{
System.setProperty ("webdriver.chrome.driver","C:\\Selenium_Projects\\Geo_Driver\\chromedriver.exe" );
            dr = DesiredCapabilities.chrome();
            dr.setBrowserName("chrome");
            dr.setPlatform(Platform.VISTA);
       driver=new RemoteWebDriver(new URL("http://10.76.174.34:5566/wd/hub"), dr);
    String eTitle = "Demo Guru99 Page1";
    String aTitle = "" ;
    // launch Chrome and redirect it to the Base URL
    driver.get("http://demo.guru99.com/selenium/guru99home/" );
    aTitle = driver.getTitle();
    System.out.println("The string in the title is  " + aTitle);
    //compare the actual title with the expected title
    if (aTitle.contentEquals(eTitle))
    {
    System.out.println( "Test Passed") ;
    }
    else {
    System.out.println( "Test Failed" );
    }
}
   driver.close();
}
}