AP Computer Science A

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Subclass

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AP Computer Science A

Definition

A subclass is a class that inherits properties and behaviors from another class, called the superclass. It can add new features or modify existing ones.

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"Subclass" also found in:

Subjects (2)

Practice Questions (19)

If the class Car is a subclass of the class Vehicle, what happens when Java tries to run the line “Vehicle vehicle = new Car();”?
If Class C is a superclass of Class B and a subclass of Class A, which of the following is NOT valid?
Suppose class A is the superclass of class B and class C, and it is also the subclass of class D. If we have a method that takes in an object of class A, which of the following objects would we also be able to pass in to the method?
In Java, can a subclass object be assigned to a superclass reference variable?
If we don’t want our subclass method to do anything different from the superclass's implementation of that method, what should we do?
Which of the following correctly calls a superclass method in a subclass?
If a method of a superclass is overridden in the subclass, which method is called by the line "methodName();" in the subclass?
If you try to assign an object of a subclass to a reference variable of the superclass type, what will happen?
Which of the following are inherited by a subclass?
If a superclass's constructor takes in four parameters, how many parameters should the subclass's constructor have?
If a subclass's constructor doesn't explicitly call its superclass's constructor using super, Java will:
Which of the following is true regarding the return type of an overriding method in a subclass?
When should we write Javadoc comments for an overridden method in the subclass?
When a subclass defines a method with the same name, return type, and parameters as a method in its superclass, it is an example of:
What can a subclass introduce that is not defined in the superclass?
If a subclass does not provide an overridden implementation of an inherited method, what will happen?
Which keyword is used in the class header to create a subclass in Java?
How many subclasses can a superclass have in Java?
Can a subclass have its own variables and methods in addition to those inherited from the superclass?

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Subclass

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AP Computer Science A

Definition

"Subclass" also found in:

Subjects (2)

Practice Questions (19)

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Subclass

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AP Computer Science A

Definition

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"Subclass" also found in:

Subjects (2)

Practice Questions (19)

© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.

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