Java

import java.io.IOException;

public class VideoLauncher {
	private static void showVideo(String videoFilePath) throws IOException {
		String command = "\"C:/Program Files/Windows Media Player/wmplayer.exe\" ";
		Runtime.getRuntime().exec(command + "\""+videoFilePath+"\"");
	}

	public static void main(String[] args) {
		try {
			VideoLauncher.showVideo("D:/hacktrack/someVideoFile.avi");
		} catch (IOException e) {
			System.out.println("Error occurs !");
			e.printStackTrace();
		}
	}
}