15.13 - Best Practices
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Practice Questions
Test your understanding with targeted questions
What is the main advantage of using Generics in Java?
💡 Hint: Think of runtime errors related to types.
Why is it preferable to declare a List as List instead of ArrayList?
💡 Hint: Consider what happens when the implementation changes.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of using Generics in Java?
💡 Hint: Think about errors you want to avoid.
True or False: Using raw types can lead to ClassCastException.
💡 Hint: Consider what raw types actually do.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
Write a generic method to find the maximum element in an array of any type.
💡 Hint: Consider how you would compare different elements.
Given a List of strings, write a function that uses Streams to convert all elements to uppercase.
💡 Hint: Think about the mapping function and how streams work.
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