When should you use an abstract class? Group of answer choices   1. All options are correct.   2. When two or more classes will share identical methods, so that they can be moved into the abstract class.   3. When you want to make an object that is not concrete, and instead is more of an idea.   4. When you have classes that will share method names, but can have different implementations.   5. There is no need for abstract classes. Instead, interfaces are a better programming choice.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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When should you use an abstract class?
Group of answer choices
 
1. All options are correct.
 
2. When two or more classes will share identical methods, so that they can be moved into the abstract class.
 
3. When you want to make an object that is not concrete, and instead is more of an idea.
 
4. When you have classes that will share method names, but can have different implementations.
 
5. There is no need for abstract classes. Instead, interfaces are a better programming choice.
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