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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is inheritance in Java?
💡 Hint: Think about code reuse.
Question 2
Easy
Write the syntax to define a subclass Dog that inherits from Animal.
💡 Hint: Use the `extends` keyword.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What keyword is used to create a subclass in Java?
- extend
- extends
- inherits
💡 Hint: It is not simply 'extend'!
Question 2
An interface can contain concrete methods. True or False?
- True
- False
💡 Hint: Think about what an interface is meant to enforce.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Java program to demonstrate single inheritance, where a superclass has a method and the subclass overrides it.
💡 Hint: Remember to use 'extends' while declaring the subclass.
Question 2
Create a scenario where multiple classes implement a single interface and call their methods. Describe the output.
💡 Hint: Focus on how each class follows the interface contract.
Challenge and get performance evaluation