Practice Generic Methods (15.9.3) - Collections and Generics

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9 questions

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Exercise
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a generic method?
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Think about type flexibility.
Question 2.
How do you define a type parameter in Java?
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Look for the angle brackets!
3Question 3.
What syntax is used to define a type parameter in Java?
- [E]
- <T>
- {K}
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Look for the angle brackets in the syntax.
4Question 4.
Using generics helps to avoid which of the following?
- True
- False
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Think about what generic types protect you from.
Question 5.
Create a generic method that takes two lists and returns a combined list without duplicates.
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Think about how Sets work with unique elements.
Question 6.
Write a generic method that will clone an array of any type.
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Consider how reflection can dynamically handle types.

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