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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 Java class?
💡 Hint: Think of it as pointing directly to the object itself.
Question 2
Easy
How would you access an instance variable named 'height' using 'this'?
💡 Hint: Remember to use 'this.' before the variable 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 the purpose of the 'this' keyword in Java?
- To create new objects
- To refer to the current object
- To access static variables
💡 Hint: It's all about the object you're currently working with.
Question 2
True or False: The 'this' keyword can be omitted if there's no ambiguity.
- True
- False
💡 Hint: Think of when it is helpful to explicitly indicate where the variable comes from.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Car class using this in both the constructor and a method to display properties. Then demonstrate its use in a main class.
💡 Hint: Using 'this' correctly will reveal how data was set during instantiation.
Question 2
Discuss a scenario where misunderstanding variable scopes can lead to incorrect program behavior. Create an example to illustrate.
💡 Hint: Focus on the outcome of using the same name for a parameter and an instance variable.
Challenge and get performance evaluation