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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a class variable?
💡 Hint: Think about shared data among objects.
Question 2
Easy
When is a class variable created?
💡 Hint: Consider the class lifecycle.
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 happens to class variables when a class is loaded?
- They are created
- They are destroyed
- They are set to null
💡 Hint: Think about the class loading process.
Question 2
Class variables can be accessed only through instances of the class.
- True
- False
💡 Hint: Remember how static access works.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java class with a static variable and multiple objects modifying it. Show the output of the modifications.
💡 Hint: Think about how a static field is modified across different instances.
Question 2
Discuss the impact of static variables in a multi-threaded environment. How would you ensure thread safety?
💡 Hint: Consider how threads may access shared data and where issues might arise.
Challenge and get performance evaluation