The Visitor design pattern provides flexibility in your designs by enabling you to define a new operation without needing to change the types of the elements on which it would operate The Visitor ...

The iterator design pattern is a commonly used pattern that provides a very useful abstraction. The iterator pattern is used to access and traverse the elements of a collection without the need to ...

We discuss some of the most common design patterns in Java and how they can help you solve common coding issues. Learn more. A design pattern is a well-established and documented solution to a common ...