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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the this keyword refer to in a constructor?
💡 Hint: Think about the role of `this` when creating an object.
Question 2
Easy
Why do we need this when parameters are named the same as instance variables?
💡 Hint: Consider what happens if you don't use `this`.
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 does the this keyword refer to in Java?
- The current method
- The current class
- The current object
💡 Hint: Think about how you address instance variables.
Question 2
True or False: The this keyword can only be used in constructors.
- True
- False
💡 Hint: Consider where else you might see `this` used.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a class Laptop that has model, brand, and year as its attributes. Create parameterized and default constructors, incorporating the this keyword appropriately.
💡 Hint: Consider how you would differentiate attributes from parameters.
Question 2
Write a program that creates an object of a Student class with name and id. Use the this keyword correctly to initialize the attributes.
💡 Hint: Make sure your parameters match the instance variable names.
Challenge and get performance evaluation