Abstract classes are used to express broad concepts from which more concrete classes can be derived . An abstract class type object cannot be created. To abstract class types, however, you can use pointers and references.
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The abstract keyword is a non-access modifier, used for classes and methods: Abstract class: is a restricted class that cannot be used to create objects (to access it, it must be inherited from another class) . Abstract method: can only be used in an abstract class, and it does not have a body.
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The main purpose of abstraction is hiding the unnecessary details from the users . Abstraction is selecting data from a larger pool to show only relevant details of the object to the user. It helps in reducing programming complexity and efforts.
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The purpose of an abstract class is to provide an appropriate base class from which other classes can inherit .
Read moreWhat is the purpose of an abstract class in Java?
The Purpose of Abstract Classes. The purpose of abstract classes is to function as base classes which can be extended by subclasses to create a full implementation . For instance, imagine that a certain process requires 3 steps: The step before the action.9 Mar 2015
Read moreWhy do we use abstract class?
An abstract class is used if you want to provide a common, implemented functionality among all the implementations of the component . Abstract classes will allow you to partially implement your class, whereas interfaces would have no implementation for any members whatsoever.
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