Practice Pass By Reference (the Direct Access/alias) (6.1.2) - Run-time Support - The Engine of Execution
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Pass by Reference (The Direct Access/Alias)

Practice - Pass by Reference (The Direct Access/Alias)

Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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Reference links

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