Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define association in the context of Object-Oriented Design.
💡 Hint: Think about basic relationships between objects.
Question 2
Easy
What is aggregation?
💡 Hint: Consider situations where parts don't depend on the whole.
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 type of relationship does aggregation define?
- A strong whole-part relationship
- A weak whole-part relationship
- No relationship at all
💡 Hint: Remember the relationship between parts and wholes.
Question 2
True or False: In a composition relationship, if the whole is deleted, all parts are deleted as well.
- True
- False
💡 Hint: Think about a house and its rooms.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
How would you model a school system using all four relationship types? Describe with examples.
💡 Hint: Think about the relationships between these entities.
Question 2
Design a UML diagram that shows how an Author and a Book can be represented in both aggregation and composition.
💡 Hint: Draw both relationship types and label them.
Challenge and get performance evaluation