//জাভা (Java) -ইন্টারফেসে চুক্তি ভঙ্গের জন্য বিল্ড সমস্যা  – violating contract in Interface
interface Playable {
    void play();
    void stop();
}
class VlcPlayer implements Playable {
    public void play() {
        System.out.println(“Vlc player is playing video.”);
    }
    // stop method not implemented
}
public class HelloWorld {
    public static void testPlayable(Playable p) {
        p.play();
        p.stop();
    }
    public static void main(String []args) {
        System.out.println(“Vlc Player Test!”);
        testPlayable(new VlcPlayer());
    }
}

//Output – আউটপুট
HelloWorld.java:6: error: VlcPlayer is not abstract and does not override abstract method stop() in Playable
class VlcPlayer implements Playable {
^
1 error

//জাভা (Java) -ইন্টারফেসে চুক্তি ভঙ্গের জন্য বিল্ড সমস্যা  – violating contract in Interface
interface Playable {
    void play();
    void stop();
}
abstract class VlcPlayer implements Playable {
    public void play() {
        System.out.println(“Vlc player is playing video.”);
    }
    // stop method not implemented
}
public class HelloWorld {
    public static void testPlayable(Playable p) {
        p.play();
        p.stop();
    }
    public static void main(String []args) {
        System.out.println(“Vlc Player Test!”);
        testPlayable(new VlcPlayer());
    }
}

//Output – আউটপুট
HelloWorld.java:22: error: VlcPlayer is abstract; cannot be instantiated
testPlayable(new VlcPlayer());
                     ^
1 error

//সি# (C#) – ইন্টারফেসে চুক্তি ভঙ্গের জন্য বিল্ড সমস্যা  – violating contract in Interface
public interface IPlayable
{
	void Play();
	void Stop();
}
public class VlcPlayer : IPlayable
{
	public void Play()
	{
		Console.WriteLine(“Vlc player is playing video.”);
	}
	public void Stop()
	{
		Console.WriteLine(“Vlc player is paused.”);
	}
}
public class Program
{
	public static void TestPlayable(IPlayable playableResource)
	{
		playableResource.Play();
		playableResource.Stop();
	}
	public static void Main(string[] args)
	{
		Console.WriteLine(“Vlc Player Test!”);
		TestPlayable(new VlcPlayer());
	}
}

//Output – আউটপুট
Compilation error (line 9, col 26): ‘VlcPlayer’ does not implement interface member ‘IPlayable.Stop()’