Web services are applications that communicate over the internet using standard protocols such as HTTP, XML, and SOAP. They provide functionality that can be accessed by other applications or ...

A design patterns are well-proved solution for solving the specific problem/task. Now, a question will be arising in your mind what kind of specific problem? Let me explain by taking an example.

see my discussion about using the Command pattern to apply discounts in an enterprise shopping cart. Rafael del Nero is a Java Champion and Oracle Ace, creator of the Java Challengers initiative ...

Patterns that Work: Core Constructs of Modern Enterprise Systems Several design patterns continue to shape the landscape of enterprise Java applications ... The key lies in using each pattern where it ...