The Data Access Object (DAO) pattern provides an abstraction layer between the business logic tier (business object) and the persistent storage tier (data source). Business objects access data sources ...

Since its inception, J2EE (Java 2 Platform, Enterprise Edition) has simplified enterprise application construction in Java. As J2EE becomes more broadly adopted, however, developers are realizing the ...

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 ...