Practice The Final Keyword In Java (8.6) - Statements and Scope

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9 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does it mean for a variable to be declared as final?
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Think about the meaning of 'final' in other contexts.
Question 2.
Can a final variable be assigned a value in the constructor?
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Recall how constants are defined.
3Question 3.
What happens when a final variable is reassigned?
- It compiles successfully
- It throws a compilation error
- It assigns new value
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Recall the definition of 'final'.
4Question 4.
True or False: A final class can be subclassed.
- True
- False
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Think about what 'final' means in class contexts.
Question 5.
Create a final variable, method, and class in Java, and explain how they all work together.
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Think of the implications of consistency and inheritance.
Question 6.
Discuss a situation where using a final class would be beneficial in a real-world application.
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Consider aspects of security and integrity in your application design.

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