DartTutorial/26_interface.dart at master · isoneday/DartTutorial · GitHub

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// Objectives
// 1. Interface

void main() {

	var tv = Television();
	tv.volumeUp();
	tv.volumeDown();
}

class Remote {

	void volumeUp() {
		print("______Volume Up from Remote_______");
	}

	void volumeDown() {
		print("______Volume Down from Remote_______");
	}
}

class AnotherClass {

	void justAnotherMethod(){
		// Code
	}

}

// Here Remote and AnotherClass acts as Interface
class Television implements Remote, AnotherClass {

	void volumeUp() {
//		super.volumeUp();       // Not allowed to call super while implementing a class as Interface
		print("______Volume Up in Television_______");
	}

	void volumeDown() {
		print("______Volume Down in Television_______");
	}

	void justAnotherMethod() {
		print("Some code");
	}
}