Class diagram is the backbone of object-oriented modeling - it shows how different entities (people, things, and data) relate to each other. In other words, it shows the static structures of the ...

Background: In the modeling of object oriented software systems, the UML object diagrams are recognized very useful to complement class diagrams. However, up to now, there exists only one experiment ...

An object is a specific 'instance' of a class, so similarly an object diagram is an 'instance' of a class diagram. This is useful for showing a detailed snapshot of the state of our program, whether ...

Class and object diagrams describe the static part of the process, interaction diagrams are dynamic: they describe how objects work together over time. A sequence diagram is an interaction diagram, ...

It's more common to show class diagrams specifying the structure of object collaborations that will exist at runtime, rather than the object diagrams themselves.

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Do you have a single class in your Java design that does too much and knows too much? If so, you've fallen into the God object antipattern. Here's a look at how to refactor your God object and ...