OrderFactory.java

package test.factory;

import org.testng.annotations.Factory;

import java.util.ArrayList;
import java.util.List;

public class OrderFactory {

   @Factory
   public static Object[] testF()
   throws Exception {
       List<OrderSample> result = new ArrayList<>();
       for (int i = 0; i < 5; i++) {
           result.add(new OrderSample(i));
       }
       return result.toArray();
   }
}