4.9 - The static Keyword
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Practice Questions
Test your understanding with targeted questions
What does the static keyword signify?
💡 Hint: Think about how a class and its instances interact.
Can you name a common use of static methods?
💡 Hint: Think of functions that perform calculations.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the static keyword indicate about a class member?
💡 Hint: Think about whether the member is shared or unique.
True or False: Static variables are created for each instance of a class.
💡 Hint: Consider how many copies exist for shared data.
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Challenge Problems
Push your limits with advanced challenges
Create a class called Library that counts the number of books added to it using a static variable. Write methods to add a book and display the total count.
💡 Hint: Think about how each addition of a book should affect a shared count.
Explain how changing a static variable from an instance method could lead to side effects. Provide an example to illustrate.
💡 Hint: Consider how one instance's change could impact others.
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