Practice Generic Classes (6.3) - Generics and Type Inference

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8 questions

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Exercise
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6 sample questions

Question 1.
What is a generic class?
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Think about how it helps in programming.
Question 2.
Write a simple definition of type safety.
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Consider how it protects data types.
3Question 3.
What does a generic class allow you to do?
- Create multiple classes for different types
- Use type parameters for classes
- Only use primitive types
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Think about how generics improve code flexibility.
4Question 4.
True or False: Generic classes can store any type of objects without casting.
- True
- False
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Recall the benefits of using generics.
Question 5.
Create a generic class named Pair that can hold two objects of any type. Include methods to set and get both values.
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Consider how to use two type parameters effectively.
Question 6.
Explain how type erasure impacts a generic class and what that means for its usage at runtime.
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Think about type parameters disappearing in the compiled version.

4 more questions in this section. Enroll free to practise them all.