Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the 'this' keyword refer to in a class?
💡 Hint: Think about how you identify a specific object from a class.
Question 2
Easy
Why is 'this' useful when parameter names match instance variable names?
💡 Hint: Consider how variables might get mixed up.
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?
- The class itself
- The current object
- A static variable
💡 Hint: Consider what 'this' indicates in a sentence.
Question 2
True or False: The 'this' keyword can only be used in constructors.
- True
- False
💡 Hint: Think about all the places within a class you can refer to 'this'.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java class that utilizes the 'this' keyword to implement a method that updates instance variables correctly, even when parameters share names. Write a detailed code snippet.
💡 Hint: Make sure to demonstrate how 'this' resolves the ambiguity.
Question 2
Design a scenario in a Java application where neglecting to use the 'this' keyword creates an unexpected behavior. Describe the consequences.
💡 Hint: Think of how attributes get set in various methods.
Challenge and get performance evaluation