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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a default constructor?
💡 Hint: Think about what happens if no constructors are defined.
Question 2
Easy
What does the 'this' keyword do in a constructor?
💡 Hint: Remember, it's useful when names are the same.
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 defines a default constructor?
- It takes parameters
- It initializes to default values
- It should always be defined
💡 Hint: What happens if no custom constructors are defined?
Question 2
True or False: The 'this' keyword is unnecessary in a constructor.
- True
- False
💡 Hint: Think about potential naming conflicts.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java class representing a Book with attributes for title, author, and price. Implement both default and parameterized constructors and demonstrate usage in a main method.
💡 Hint: Think about how both types of constructors will initialize your book.
Question 2
In a scenario where a class can only have one parameterized constructor, how would you approach the problem if you need multiple initialization formats?
💡 Hint: How can you design multiple ways to fill attributes while using one constructor?
Challenge and get performance evaluation