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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the static keyword signify?
💡 Hint: Think about how a class and its instances interact.
Question 2
Easy
Can you name a common use of static methods?
💡 Hint: Think of functions that perform calculations.
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 does the static keyword indicate about a class member?
- It belongs to an instance
- It belongs to the class
- It cannot be changed
💡 Hint: Think about whether the member is shared or unique.
Question 2
True or False: Static variables are created for each instance of a class.
- True
- False
💡 Hint: Consider how many copies exist for shared data.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation