Practice - What is a Function?
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Practice Questions
Test your understanding with targeted questions
What is a function?
💡 Hint: Think of where you define a reusable block of instructions.
Give an example of a library function in Java.
💡 Hint: It's a function in the Math library.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of a function in programming?
💡 Hint: Think about code organization.
True or False: A pure function can cause side effects.
💡 Hint: Consider what happens when you call the function when the same inputs are used.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Create a user-defined function that computes the factorial of a given number. Explain how you would handle errors such as negative numbers.
💡 Hint: Think about the base condition for recursion.
Write a pure function that checks if a number is even or odd. Explain why it's classified as pure.
💡 Hint: Consider repeating results when using the same input.
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