Practice What Is Reflection? (7.2.1) - Annotations and Reflection API - Advance Programming In Java

Practice: What Is Reflection?

Lesson 7.2.1Annotations and Reflection API

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11 questions

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5 cards from this section. Quick, good the night before a test.
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Quiz
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6 sample questions

Question 1.
What is the primary purpose of the Reflection API in Java?
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Think about what 'reflection' allows you to do in programming.
Question 2.
Name one key class used in Java Reflection.
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What class represents a class or interface?
3Question 3.
What does the Reflection API allow you to do?
- Inspect and modify code at compile time
- Inspect and manipulate classes at runtime
- Only read class methods
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Think about the flexibility that runtime gives compared to compile time.
4Question 4.
Can reflection access private fields of classes?
- True
- False
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Remember, accessing private members is a feature of the Reflection API.
Question 5.
Write a Java program that uses reflection to list all methods in a class and execute one of them.
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Remember to handle exceptions for invocations.
Question 6.
Design an annotation and use reflection to process classes with that annotation, printing relevant data.
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Make sure you think about how to define and apply your annotation.

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