15.1.1 - What is a Collection?
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Practice Questions
Test your understanding with targeted questions
What is a Collection in Java?
💡 Hint: Think about how you might group data in a program.
Name a core advantage of using Collections.
💡 Hint: Consider the issues related to type mismatch.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of a Collection in Java?
💡 Hint: Focus on the purpose of collections.
True or False: A List in Java allows duplicate elements.
💡 Hint: Recall the characteristics of collections.
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Challenge Problems
Push your limits with advanced challenges
Design a simple application using Java Collections that simulates a library with multiple lists of books, ensuring no duplicate entries.
💡 Hint: Think of how you would keep track of available and lent books.
Explain how you would implement a task manager that prioritizes tasks, ensuring no duplicate tasks are entered.
💡 Hint: Consider how both the order of tasks and uniqueness are essential.
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