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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of generics in Java?
💡 Hint: Think about why we avoid type casting.
Question 2
Easy
Explain what a generic class is.
💡 Hint: Consider the Box<T> example.
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 primary benefit of using generics?
- A. Type Safety
- B. Code Reusability
- C. Both A and B
💡 Hint: Think about the advantages of type-safe code.
Question 2
True or False: Wildcards in generics only allow you to use types that share a common superclass.
- True
- False
💡 Hint: Remember that wildcards can also be unbounded.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a generic class that implements a stack with push and pop methods while ensuring type safety.
💡 Hint: Think about how a stack operates and ensure you apply generics.
Question 2
Create a method using wildcards to print elements from a list without knowing the type beforehand.
💡 Hint: Focus on using the wildcard and benefit from flexibility.
Challenge and get performance evaluation