To check whether it is safe to downcast an object we use the operator

We can have multiple classes in different Java files or single Java file . If you define multiple classes in a single Java source file, it is a good idea to save the file name with the class name which has main() method. //Creating Student class.

A class can be thought of as a “type”, with the objects being a “variable” of that type. Multiple objects, or instances of a class can be created in a single HLU program , just as you declare multiple variables of the same type in any program.

A class can be thought of as a “type”, with the objects being a “variable” of that type. Multiple objects, or instances of a class can be created in a single HLU program , just as you declare multiple variables of the same type in any program.