For example, consider a software for a library. You might have aBookclass with methods likeborrow(),return(), andrenew(). If you want to introduce different types of books, likeRegularBookandReferenceBook, you can create these as subclasses ofBookand override the methods as needed. For insta...
I have 2 java classes, one being color.java and, String color.rs.description){ return itemno; return description; } I'm new to java, This is a method which does not return a value., You may wish to look at this document for the naming conversions here: https://www.javatpoint.com...