8.5.3 - Lifetime of Class Variables
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Practice Questions
Test your understanding with targeted questions
What is a class variable?
💡 Hint: Think about shared data among objects.
When is a class variable created?
💡 Hint: Consider the class lifecycle.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens to class variables when a class is loaded?
💡 Hint: Think about the class loading process.
Class variables can be accessed only through instances of the class.
💡 Hint: Remember how static access works.
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Challenge Problems
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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.
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.
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