Practice Public (14.6.1) - Packages - ICSE 11 Computer Applications

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6 sample questions

Question 1.
What does the public access modifier do?
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Think about how classes can interact with each other.
Question 2.
Give an example of a public method.
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Consider common operations in math.
3Question 3.
What does the public access modifier allow?
- Limits access to subclasses.
- Allows access from any class.
- Restricts method calls to the same package.
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Remember the visibility of public methods.
4Question 4.
True or False: A public class can have private methods.
- True
- False
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Think of a class like a building with rooms.
Question 5.
Create a utility class with two public methods for basic arithmetic – addition and subtraction – and demonstrate calling these from another class.
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Remember to declare your methods public to allow access from other classes.
Question 6.
Explain how the use of public access can affect the design of a software application. Discuss potential benefits and drawbacks.
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Think about the trade-offs of exposing too much functionality versus keeping things encapsulated.

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