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3 cards from this section. Quick, good the night before a test.
What is a default constructor?
Think about how you create an object without providing initial values.
Write a simple class with a default constructor.
Remember, the constructor name must match the class name.
What is a key feature of a default constructor?
Recall how constructors are defined in Java.
True or False: A default constructor is necessary for every class.
Consider classes that only have parameterized constructors.
Create a Computer class with a default constructor and a parameterized constructor. Implement methods that display the computer's specifications.
Remember the syntax for constructors and methods in Java.
Design a Person class that has both a default constructor and a parameterized constructor for name and age. Explain how you would use each constructor in a program.
Think about practical scenarios where having a default choice is useful.
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