5.6 - Object Lifecycle in Java
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 keyword is used to create an object in Java?
💡 Hint: Think of what you use to call a constructor.
What happens when an object is no longer referenced?
💡 Hint: Consider what happens to trash when it isn't picked up.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the new keyword do in Java?
💡 Hint: Remember what new does when you want to create something.
True or False: The garbage collector in Java will free memory for any object immediately when it goes out of scope.
💡 Hint: Consider how trash isn't taken out the moment you throw it away.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Write a Java program that creates multiple objects of a class, removes references to some of them, and discusses the expected garbage collection behavior.
💡 Hint: Think about how you would clear your desktop of old files.
Analyze memory management in Java without garbage collection. What major issues could arise?
💡 Hint: Picture how an overflowing bin hampers accessibility.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.