5.10 - Object Comparison
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 == compare in Java?
💡 Hint: Think about what `==` really checks between two variables.
What is the default behavior of .equals()?
💡 Hint: Recall how objects are treated in memory.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the == operator check when applied to objects?
💡 Hint: Think about what it means to point to the same object.
Is s1.equals(s2) true if s1 and s2 are two different objects with identical attributes?
💡 Hint: Consider how equality is defined without overriding.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Create a Book class and implement equals() so that two books are considered equal if they have the same title and author.
💡 Hint: What attributes must you compare to ensure equality?
Imagine a software application that tracks student records. How would you ensure that two student objects denote the same student when compared?
💡 Hint: What unique attributes can reliably signify the same person?
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.