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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a Collection in Java?
💡 Hint: Think about how you might group data in a program.
Question 2
Easy
Name a core advantage of using Collections.
💡 Hint: Consider the issues related to type mismatch.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the main function of a Collection in Java?
- To store data elements in a fixed size
- To group multiple elements into a single object
- To perform arithmetic calculations
💡 Hint: Focus on the purpose of collections.
Question 2
True or False: A List in Java allows duplicate elements.
- True
- False
💡 Hint: Recall the characteristics of collections.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation