6.1 - Introduction
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Practice Questions
Test your understanding with targeted questions
What is the primary feature of an array in Java?
💡 Hint: Think about what happens when you declare an array.
What is a string?
💡 Hint: Remember how strings are defined in Java.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What data type is treated as an object in Java?
💡 Hint: Think about how characters are stored in Java.
True or False: The size of an array can be changed after it's created.
💡 Hint: Consider the definition of arrays.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Write a program that takes an array of integers and returns the sum of those integers.
💡 Hint: Use a for loop for iteration.
Explain how you could implement a simple string manipulation that replaces spaces with hyphens.
💡 Hint: Think about string manipulation methods available in Java.
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Reference links
Supplementary resources to enhance your learning experience.