AP Computer Science A

study guides for every class

that actually explain what's on your next test

Variable

from class:

AP Computer Science A

Definition

In programming, a variable is used to store and represent a value or piece of data. It has a name, a data type, and can hold different values that can be changed during the execution of the program.

"Variable" also found in:

Practice Questions (13)

Which access level makes a variable, class, or method available only to its own class?
What access level makes a variable, method, or class only accessible by any subclass or class within the same package?
Which declarations would you use for a variable "genre" (stores a book's genre) and a variable "inStock" (stores whether or not a book is in stock)?
Assume the following code is valid. What is the static type and dynamic type of the variable "jack"? ``` Person jack = new Student(); ```
Suppose there is a Car class that extends the Vehicle class and whose constructor takes in the “brand” and “year” parameters. What is the static type and dynamic type of the variable "lambo" in the following code? ``` Car lambo = new Car(“Lamborghini”, 2005); ```
What should the return type of a getter method that retrieves a variable storing the number of siblings a person has be?
What should the return type of a getter method that gives us the value of a variable storing the school a person attends be?
What should the return type of a getter method that returns the value of a variable storing whether or not a person is above 5 foot 2 be?
Which of the following lines of code properly declare a private static variable called "name"?
If we wanted to keep track of the number of Person objects created, what kind of variable should we use?
Which of the following is an example of a variable with global scope?
In the following code block, what is the scope of the variable "name"? public void printGreeting(String name) { System.out.println("Hi " + name); }
In the following code block, what is the scope of the variable "currentTemp" and the scope of the variable "temp"? public class Weather { private int currentTemp; public Weather(int temp) { currentTemp = temp; } }

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

Back

Practice QuizGlossary

Practice Quiz Guides

study guides for every class

that actually explain what's on your next test

Variable

from class:

AP Computer Science A

Definition

"Variable" also found in:

Subjects (25)

Practice Questions (13)

© 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.

Back

Next

study guides for every class

that actually explain what's on your next test

Variable

from class:

AP Computer Science A

Definition

Related terms

"Variable" also found in:

Subjects (25)

Practice Questions (13)

© 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.

Back

Next