Can you define new classes or interfaces in blocks

Keep practicing — related questions

• An inner class can extend or implement any class or interface
• 7. Can an Interface have an inner class?
• Can you inherit multiple interfaces?
• Interface have an inner class
• A class may implement several interfaces but A class may extend only one abstract class
• An abstract class can be instantiated.
• Can you make an instance of an abstract class?
• You Can inherit multiple interfaces.