Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

As you learned in my recent introduction to programming with classes and objects, you initialize an object via the code that you place in a class’s constructor. Consider Listing 7. Listing 7.

The hash code is a hash of everything found in the type. It's used to match the object on the designer to the type in the code; in other words, it allows the Class Designer to know what object to go ...

More about classes Previously ... by applying inheritance and polymorphism to take advantage of code reuse and to enable each object to implement only the features that are not common with ...

That code must be easily maintained ... the remaining properties and variables and begin to create smaller, single-responsibility objects. However, utility classes aren't particularly object-oriented.

As a result, value objects are often made to be immutable, something that requires a fair amount of code to set up in .NET ... looks like the result of collapsing the declaration of the class and the ...