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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is pass by reference?
💡 Hint: Think about what happens to the original variable when it is modified.
Question 2
Easy
What happens to variables passed by reference inside a function?
💡 Hint: Consider what 'reference' means in this context.
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 pass by reference allow a function to do?
- Modify original data
- Only read original data
- Copy original data
💡 Hint: Consider the effect of changes made in the function.
Question 2
True or False: Pass by reference can lead to unintended side effects.
- True
- False
💡 Hint: Think about what happens when you allow changes to data.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a function in C++ that uses pass by reference to swap two integers. Explain how it works.
💡 Hint: Consider how references allow direct access to modify the variables.
Question 2
Discuss a scenario where using pass by reference could lead to difficult debugging. Provide an example.
💡 Hint: Think about shared states and how they can lead to confusion in programs.
Challenge and get performance evaluation