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Which casting is also known as casting down?*

Question

Which casting is also known as casting down?*

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Solution

The casting also known as "casting down" is Downcasting. Downcasting is the casting from a general to a more specific type, i.e. casting down the hierarchy. It is used in programming languages such as Java and C++.

Here are the steps to perform downcasting:

  1. Declare and initialize a parent class object.
  2. Declare a child class reference but do not create an object of child class.
  3. Assign the parent class object to the child class reference. This is downcasting.

Please note that downcasting can lead to ClassCastException if the object being casted does not have a is-a relationship with the casted to class.

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