5.5 - Reference Variables
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 practice test.
Practice Questions
Test your understanding with targeted questions
What does a reference variable do?
💡 Hint: Think about what allows us to interact with objects.
Define a constructor.
💡 Hint: How is it related to the class?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does a reference variable point to?
💡 Hint: Think about what allows interaction with this object.
True or False: A constructor has a return type.
💡 Hint: Consider the signature of a constructor.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Create a class Book with attributes title and author. Write a constructor to initialize these fields and demonstrate creating an instance of Book.
💡 Hint: This involves defining attributes and initializing them within the constructor.
Compare two objects of class Employee using both == and .equals(). Explain the differences in your output.
💡 Hint: You will need to override `.equals()` in the Employee class.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.