Objects And Classes Quiz

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| By Jclem099

Jclem099

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Quizzes Created: 1 | Total Attempts: 302

Questions: 9 | Attempts: 303 | Updated: Sep 7, 2023

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A quick review of today's object and classes lesson.

Questions and Answers

1.

1. The method that makes an object from a class is called a creator.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The method that makes an object from a class is actually called a constructor, not a creator. A constructor is a special method that is automatically called when an object is created from a class. It is responsible for initializing the object's attributes and preparing it for use.

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2.

2. “Turns left” is a behaviour of a car.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The statement is true because "turns left" is a specific action or behavior that a car can perform. When a car turns left, it indicates a change in direction to the left. This action is commonly associated with the steering mechanism of a car, where the driver can turn the steering wheel to make the car change its path towards the left side. Therefore, "turns left" can be considered a behavior of a car.

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3.

3. “Stops” is the function of a car.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement is false because "Stops" is not a function of a car. The function of a car is to move or transport people and goods from one place to another. "Stops" refers to the action of the car coming to a halt, which is a result of the driver applying the brakes. It is not a primary function of the car itself.

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4.

4. “Turns right” is an attribute of a car.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement is false because "turns right" is not an attribute of a car. It is an action or behavior that a car can perform, but it is not a characteristic or quality that defines a car. Attributes of a car may include its color, size, model, or engine type.

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5.

5. Objects are blueprints.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Classes are blueprints.

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6.

6. Classes can only be used once in each program.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Classes can be used multiple times in a program. In object-oriented programming, classes are templates for creating objects, and these objects can be created and used multiple times throughout the program. Each object created from a class can have its own unique set of properties and behaviors, allowing for flexibility and reusability in the code. Therefore, the statement that classes can only be used once in each program is false.

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7.

8. “Class” is another word for “Object”.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement is false because "class" and "object" are not interchangeable terms in programming. In object-oriented programming, a class is a blueprint or template for creating objects, whereas an object is an instance of a class. Objects are created based on the structure and behavior defined by the class. Therefore, while a class is related to an object, they are not the same thing.

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1
8.

9. Objects can only be used once in each program.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
This statement is false. Objects can be used multiple times in a program. Objects are reusable and can be instantiated and used in different parts of a program as needed. They can also be passed as arguments to functions or methods, allowing for their reuse and versatility in programming.

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1
9.

10. Jeff Clemens is an object of the class Person.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The statement is true because it states that Jeff Clemens is an object of the class Person. In object-oriented programming, a class is a blueprint for creating objects, and an object is an instance of a class. Therefore, the statement implies that Jeff Clemens is an instance of the Person class, making the statement true.

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Current Version
Sep 07, 2023

Quiz Edited by
ProProfs Editorial Team
Mar 13, 2009

Quiz Created by
Jclem099

Objects And Classes Quiz

1. The method that makes an object from a class is called a creator.

2. “Turns left” is a behaviour of a car.

3. “Stops” is the function of a car.

4. “Turns right” is an attribute of a car.

5. Objects are blueprints.

6. Classes can only be used once in each program.

8. “Class” is another word for “Object”.

9. Objects can only be used once in each program.

10. Jeff Clemens is an object of the class Person.