Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

In this blog post, I look at how Java code can use the Package class to access version information about a particular Java package’s specification and implementation.

The choice is a personal decision. I have more experience programming Java than Perl. After a long and difficult thought process, I decided to start in Java, reasoning that if I later needed to add ...

While there are workarounds -- for example, you could introduce a Factory class to generate transaction objects -- this adds complexity and could become a maintenance burden. Another approach could be ...

That three percent included packages, methods, and class names. But those declarations—like starting a function with package java.lang —can only be used in certain ways.