6.9 - Best Practices
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Practice Questions
Test your understanding with targeted questions
What is the benefit of using generics in collections?
💡 Hint: Think about errors that might happen at runtime.
What does a bounded type do?
💡 Hint: What type constraints do you recall?
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Interactive Quizzes
Quick quizzes to reinforce your learning
Why should you avoid raw types like List?
💡 Hint: Consider what problems arise when you mix types.
True or False: Wildcards can provide a way to handle multiple types in generics.
💡 Hint: Think about methods that take lists of various data types.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Implement a generic class that adds three different types of numbers, while ensuring type safety during addition. Include methods to return the total and the average of those three numbers.
💡 Hint: Think about how to ensure the types are compatible for arithmetic operations.
Write a method that takes a List of a bounded type and calculates the maximum value. Ensure it runs on any numeric type.
💡 Hint: Remember to utilize a loop and compare values.
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