A process of converting one data type to another is known as Typecasting and Upcasting and Downcasting is the type of object typecasting. We can perform Upcasting implicitly or explicitly, but downcasting cannot be implicitly possible. ...

How is Upcasting performed in Java?

Upcasting: Upcasting is the typecasting of a child object to a parent object. Upcasting can be done implicitly. Upcasting gives us the flexibility to access the parent class members but it is not possible to access all the child class members using this feature.

Is downcasting bad in Java?

Talking about downcasting is unnecessary because it should already be handled by the common messaging system API since you know exactly what sorts of objects are being passed around. ... Downcasting in this case is basically failing to parse or de-serialize an object.