Why Do You Use Upcasting or Downcasting in Java ?

When we want to cast a Sub class to Super class, we use Upcasting. It is also known as widening. Upcasting is always allowed in Java.

When we want to cast a Super class to Sub class, we use Downcasting. It is also known as narrowing.

At times, Downcasting can throw the ClassCastException if it fails the type check.

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