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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 how you create an object without providing initial values.
Question 2
Easy
Write a simple class with a default constructor.
💡 Hint: Remember, the constructor name must match the class name.
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 a key feature of a default constructor?
- It has parameters
- It returns a value
- It has the same name as the class
💡 Hint: Recall how constructors are defined in Java.
Question 2
True or False: A default constructor is necessary for every class.
- True
- False
💡 Hint: Consider classes that only have parameterized constructors.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Computer class with a default constructor and a parameterized constructor. Implement methods that display the computer's specifications.
💡 Hint: Remember the syntax for constructors and methods in Java.
Question 2
Design a Person class that has both a default constructor and a parameterized constructor for name and age. Explain how you would use each constructor in a program.
💡 Hint: Think about practical scenarios where having a default choice is useful.
Challenge and get performance evaluation