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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a constructor in Java?
💡 Hint: Think about how constructors are similar to initializing variables.
Question 2
Easy
Can constructors return a value?
💡 Hint: Remember, constructors set the initial state.
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 purpose of a constructor in Java?
- To create a new class
- To initialize an object
- To delete an object
💡 Hint: Think about what happens when you create a new instance of a class.
Question 2
True or False: Constructors can have return types.
- True
- False
💡 Hint: Remember what sets them apart from regular methods.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a class 'Student' with a constructor that initializes name, ID, and GPA. Then create another constructor that initializes only name and ID, setting GPA to a default value.
💡 Hint: Think about how constructors can help provide default values.
Question 2
Explain how constructor overloading benefits code maintenance and readability. Provide an example with a class for a Rectangle that has overloaded constructors.
💡 Hint: Reflect on the clarity of different ways to create objects.
Challenge and get performance evaluation