That is correct. When you do that you are casting it it into an employee object, so that means you cannot access anything manager specific. Downcasting is where you take a base class and then try and turn it into a more specific class. This can be accomplished with using is and an explicit cast … Read more
First, a clarification of terminology: we are assigning a Child object to a variable of type Parent. Parent is a reference to an object that happens to be a subtype of Parent, a Child. It is only useful in a more complicated example. Imagine you add getEmployeeDetails to the class Parent: public String getEmployeeDetails() { … Read more
Upcasting is casting to a supertype, while downcasting is casting to a subtype. Upcasting is always allowed, but downcasting involves a type check and can throw a ClassCastException. In your case, a cast from a Dog to an Animal is an upcast, because a Dog is-a Animal. In general, you can upcast whenever there is … Read more