I have 2 classes. Foo is a bunch of inter-related text fields, and Bar implements those fields and does all the error checking. I don't want the user leaving a text ...

Many Java developers, including myself, like using the typesafe constant idiom because it provides cleaner code by removing the need to validate whether a constant value is valid or in range. I don’t ...

Standard Chartered Bank in the Middle East and South Asia region (MESA), has developed a comprehensive core banking software called eBBS. The bank has used the state of the art J2EE technology, the ...

Departing from traditional practice for JavaWorld’s Tips ‘N Tricks column, I will talk about when not to use a previously suggested trick. Specifically, the typesafe enum construct, covered in JDC ...

Can you explain object-oriented programming to me like I'm 5 years old? Probably not. But here's a straightforward explanation of what OOP is ... Use Spring MVC MultipartFile, Java Path APIs and the ...

Persistence is one of the greatest challenges for building applications. There are many options for building persistence layers. Data Access Objects (DAO) is a popular design pattern for building the ...