Practice The This Keyword (5.11) - Chapter 5: Objects

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does the this keyword refer to in Java?
Show hintHide hint
Think about how methods access their owning object.
Question 2.
In which scenarios would you use the this keyword?
Show hintHide hint
Consider constructors where parameters might clash with instance variable names.
3Question 3.
What does 'this' refer to in a Java class?
- The class itself
- The current object
- A static method
Show hintHide hint
Think of 'this' as a pointer to check your object.
4Question 4.
True or False: The 'this' keyword is necessary if you have no naming conflicts.
- True
- False
Show hintHide hint
Consider instances without ambiguities.
Question 5.
Create a Java class named 'Library' with a method that allows setting both the name and location using method chaining. The class should utilize the 'this' keyword appropriately.
Show hintHide hint
Focus on returning the current object within your methods.
Question 6.
Write a constructor for a class 'Vehicle' that uses another constructor to set model and year, demonstrating constructor chaining with 'this'.
Show hintHide hint
Use two parameters in both constructors to see how 'this' can eliminate duplicative code.

5 more questions in this section. Enroll free to practise them all.