Practice Generic Interface (15.11.2) - Collections and Generics

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5 questions

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6 sample questions

Question 1.
What is a Generic Interface in Java?
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Think about flexibility in programming.
Question 2.
Create a Generic Interface named 'Storage' with a method 'store(T item)'.
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Remember to include the type parameter.
3Question 3.
What does a Generic Interface allow in Java?
- A. Only integer types can be used
- B. Flexibility to use various data types
- C. It makes all types unsafe
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Think about why generics were introduced.
4Question 4.
Is it true that generic interfaces help in preventing type errors?
- True
- False
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Consider the benefits of using generics.
Question 5.
Design and implement a Generic Interface called 'Processor' with a method 'process(T data)'. Then implement this interface in a class for processing Strings.
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Focus on ensuring the 'process' method works with the specified type.
Question 6.
Create a class 'NumberStorage' that implements the 'DataStore' interface ensuring it only accepts Numbers. Discuss how type safety is achieved.
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Use the bounds of generics to limit the types.

1 more question in this section. Enroll free to practise them all.