This UML Object Diagram for ATM represents a particular instance of a class diagram at a specific point in time. Many similarities can be found between the class diagram and how it is represented visually. An object diagram focuses on the attributes of a collection of objects and how they relate. For example, in the object diagram below, all three bank accounts are linked to the bank. The class names indicate the types of accounts (savings, checking, and credit card) that a given customer may have with this bank.
