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Questions and Answers
If Shape is a class and Rectangle extends Shape, what is the relationship between Shape and Rectangle?
If Shape is a class and Rectangle extends Shape, what is the relationship between Shape and Rectangle?
- Shape is a subclass and Rectangle is a superclass
- Shape is an interface and Rectangle is an abstract class
- Shape is a superclass and Rectangle is a subclass (correct)
- Shape and Rectangle are unrelated classes
What does the addActionListener method do in Java?
What does the addActionListener method do in Java?
- Modifies the appearance of Swing components
- Creates a new JFrame window
- Registers a listener object to a button object (correct)
- Extends the JFrame class
What role does a Layout Manager play in Java?
What role does a Layout Manager play in Java?
- Determines how the components of a container are displayed (correct)
- Determines how buttons are displayed
- Determines how to create new classes
- Determines the layout of Java classes
Why would you extend the JFrame class in Java Swing?
Why would you extend the JFrame class in Java Swing?
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