//জাভা (Java) – Upcasting
class Vehicle {
  void printType() {
    System.out.println(“This is a vehicle”);
  }
}
class Car extends Vehicle {
  void printModel(String m) {
    System.out.println(“The model of the car is ” + m);
  }
}
public class UpcastingExample {
  public static void display(Vehicle v) {
    v.printType();
  }
  public static void main(String[] args) {
    Car c = new Car();
    display(c);
    c.printModel(“Honda”);
  }
}

//জাভা (Java) – Output
This is a vehicle
The model of the car is Honda

//সি# (C#) 
using System;
public class Vehicle
{
	public void PrintType()
	{
		Console.WriteLine(“This is a vehicle”);
	}
}
public class Car : Vehicle
{
	public void PrintModel(string m)
	{
		Console.WriteLine(“The model of the car is ” + m);
	}
}
public class UpcastingExample
{
	public static void Display(Vehicle v)
	{
		v.PrintType();
	}
	public static void Main(string[] args)
	{
		Car c = new Car();
		Display(c);
		c.PrintModel(“Honda”);
	}
}