Typecasting is one of the most important concepts which basically deals with the conversion of one data type to another datatype implicitly or explicitly. In this article, the concept of the typecasting for objects is discussed.

Just like the datatypes, the objects can also be typecasted. However, in objects, there are only two types of objects (i.e.) parent object and child object. Therefore, typecasting of objects basically mean that one type of object (i.e.) child or parent to another. There are two types of typecasting. They are:

1. 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. Instead of all the members, we can access some specified members of the child class. For instance, we can access the overridden methods.
   

2. Downcasting: Similarly, downcasting means the typecasting of a parent object to a child object. Downcasting cannot be implicitly.

citation: GeeksforGeeks, Upcasting Vs Downcasting in Java
https://www.geeksforgeeks.org/upcasting-vs-downcasting-in-java/