Software maintenance is traditionally thought as a process that will happen in the distant future, and will be needed only during bug fixing operations and to keep an existing piece of software current with new versions of a compiler or operating system. Maintenance is also viewed by many as an afterthought that doesn’t need to…
When designing a new system, it is frequently necessary to make decisions about specific features to be included. Less frequently, however, one also needs to decide to remove features that are not necessary or cannot be supported by the development group. Such decisions are important because they shape how the application evolves over time. Simplifying…
Design patterns exist to solve common problems found on the development of object oriented software. As such, the singleton pattern exists to satisfy the need for code that is available to the whole application. It also helps when we want to enforce that only one instance of an object exists during the lifetime of the…