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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a class in Java?
💡 Hint: Think of it as a template.
Question 2
Easy
What does an object represent?
💡 Hint: Consider it as an instance of the class.
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 is the primary role of a class in Java?
- To create objects
- To store data
- To execute code
💡 Hint: Think about classes as templates.
Question 2
True or False: An object can hold values and represent real-world entities.
- True
- False
💡 Hint: Consider the definition of objects.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a class Animal with properties such as name and age, and a method speak(). Create two objects of this class and demonstrate their use.
💡 Hint: Think about how each animal can have different names and ages while using the same `speak()` method.
Question 2
Modify the above Animal class to include inheritance where Dog and Cat can inherit from it. Show polymorphism in action by overriding the speak() method.
💡 Hint: Consider how to call the `speak()` method for both a `Dog` and a `Cat` object to demonstrate different outputs.
Challenge and get performance evaluation