Practice - Initialization
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Practice Questions
Test your understanding with targeted questions
What does int[] numbers = new int[5]; do?
💡 Hint: What kind of data structure is an array?
Why is memory allocation important?
💡 Hint: What happens if we don’t allocate memory for our array?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the declaration int[] numbers; do?
💡 Hint: What does this statement do on its own?
True or False: The statement int[] numbers = new int[5]; both declares and initializes the array.
💡 Hint: What does this statement achieve with both parts?
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Challenge Problems
Push your limits with advanced challenges
Create a class method that takes a size as an argument and returns an initialized array of integers filled with zeros.
💡 Hint: Think about what initial value you’d like to fill the array with.
Given a situation where memory allocation fails, what are some fallback methods that can be implemented?
💡 Hint: Consider what happens when the system runs out of memory.
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Reference links
Supplementary resources to enhance your learning experience.