How to Capture Screenshot Different Name Using TestNg?

package com.selenium.basics;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import org.apache.commons.io.FileUtils;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
public class CaptureScreenshotWithDifferentName 
{
   static WebDriver driver;
   public static void main(String[] args) throws InterruptedException, IOException
   {
      CaptureScreenshotWithDifferentName obj=new CaptureScreenshotWithDifferentName();
      driver=new FirefoxDriver();
      driver.get("http://www.softwaretestingblog.in");
      Thread.sleep(3000);
      obj.getScreenShots("manoj");
      driver.close();
   }
   public void getScreenShots(String abc) throws IOException 
   {
      TakesScreenshot ts=(TakesScreenshot)driver;
      File src=ts.getScreenshotAs(OutputType.FILE);
      FileUtils.copyFile(src, new File("G:\\Base_Workspace\\Luna\\Selenium\\Screenshots\\SC" + abc+getTimeStamp() + ".png")); //Files are Stored in G:\Base_Workspace\Luna\Selenium\Screenshots
   }
   public String getTimeStamp() 
   {
      String timestamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(Calendar.getInstance().getTime());
      return timestamp;
   }
}

Read Also: Create Log Details in Java Selenium