Java terminology for differentiating runtime type from compile-time type

Question

In Java, an Object can have a runtime type (which is what it was created as) and a casted type (the type you have casted it to be).

I\'m wondering what

Answer 1

To determine a is object of which class you can use:

/*The java.lang.Object.getClass() method returns the runtime class of an object*/   
System.out.println("a is object of: "+a.getClass());