Practice Built-in Java Annotations (24.6) - Reflection and Annotations

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9 questions

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Exercise
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6 sample questions

Question 1.
What does the @Override annotation do?
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Think about method inheritance.
Question 2.
What is the use of @Deprecated?
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Consider methods that should not be used anymore.
3Question 3.
What does the @Override annotation indicate?
- It marks a method as deprecated.
- It signifies a method overrides a superclass method.
- It suppresses warnings.
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Think about what happens during method inheritance.
4Question 4.
Is the @Deprecated annotation used to mark methods that shouldn’t be used anymore?
- True
- False
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Consider methods that have been replaced.
Question 5.
Given a class with multiple methods marked as @Deprecated, how would you approach refactoring the code to avoid using those methods?
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Look for documentation on preferred methods.
Question 6.
Implement a functional interface using @FunctionalInterface and demonstrate its usage with a lambda expression.
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Remember the rules of lambda syntax.

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